The value of a is 40 : 60 = 50 : a = _____?

The value of a is 40 : 60 = 50 : a = _____?

Explanation

Given the proportion:

40 : 60 = 50 : a

Let's solve for 'a' using the proportion:

40/60 = 50/a

40a = 50 × 60

40a = 3000

a = 3000 / 40

a = 75