Let x be the total amount of money .
Emily's share =(1/3)x
Given Emily's share = 45000
so (1/3)x = 45000
x = 135000
Eric's share = (2/5)x
Eric puts 75% of his share in bank
= (2/5)*x*0.75
= (2/5)*135000*0.75
= 40500
Cat's share
= 1-([(1/3)*x] + [(2/5)*x])
= (4/15)*x
= (4/15)*135000
= 36000