Finding the Fourth Proportional to 92,471.28, 138,694.14 and 39,873.92
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Solution
The fourth proportional to 92,471.28, 138,694.14 and 39,873.92 is: 59,805.37
Step by Step Solution
- Step 1: Write the proportion equation
92,471.28 : 138,694.14 = 39,873.92 : x - Step 2: Convert to fraction form
92,471.28/138,694.14 = 39,873.92/x - Step 3: Cross multiply
92,471.28x = 138,694.14 × 39,873.92 - Step 4: Simplify right side
92,471.28x = 5,530,279,042.83 - Step 5: Solve for x
x = 5,530,279,042.83/92,471.28 - Step 6: Final answer
x = 59,805.37
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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.