Finding the Fourth Proportional to 71,519.08, 107,290.32 and 29,387.92
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Solution
The fourth proportional to 71,519.08, 107,290.32 and 29,387.92 is: 44,086.69
Step by Step Solution
- Step 1: Write the proportion equation
71,519.08 : 107,290.32 = 29,387.92 : x - Step 2: Convert to fraction form
71,519.08/107,290.32 = 29,387.92/x - Step 3: Cross multiply
71,519.08x = 107,290.32 × 29,387.92 - Step 4: Simplify right side
71,519.08x = 3,153,039,340.93 - Step 5: Solve for x
x = 3,153,039,340.93/71,519.08 - Step 6: Final answer
x = 44,086.69
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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.