Answer:
87.5 by 70 inches
Explanation:
No options were given. So, I will calculate the minimum width
Given

Height = 70 in ---- of the printed logo
Required
Determine the dimension that keeps the requirement
Let x be the width of the printed logo.
So, the ratio can be represented as:

Equate both ratios

As fraction

Multiply through by 70


So, one of the dimension that meets the requirement is a width of 87.5 inches