Finding the Fourth Proportional to 75,159.08, 112,741.35 and 25,240.80
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Solution
The fourth proportional to 75,159.08, 112,741.35 and 25,240.80 is: 37,862.12
Step by Step Solution
- Step 1: Write the proportion equation
75,159.08 : 112,741.35 = 25,240.80 : x - Step 2: Convert to fraction form
75,159.08/112,741.35 = 25,240.80/x - Step 3: Cross multiply
75,159.08x = 112,741.35 × 25,240.80 - Step 4: Simplify right side
75,159.08x = 2,845,681,867.08 - Step 5: Solve for x
x = 2,845,681,867.08/75,159.08 - Step 6: Final answer
x = 37,862.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.