Finding the Fourth Proportional to 77,335.20, 106,773.99 and 59,398.14
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Solution
The fourth proportional to 77,335.20, 106,773.99 and 59,398.14 is: 82,008.92
Step by Step Solution
- Step 1: Write the proportion equation
77,335.20 : 106,773.99 = 59,398.14 : x - Step 2: Convert to fraction form
77,335.20/106,773.99 = 59,398.14/x - Step 3: Cross multiply
77,335.20x = 106,773.99 × 59,398.14 - Step 4: Simplify right side
77,335.20x = 6,342,176,406.38 - Step 5: Solve for x
x = 6,342,176,406.38/77,335.20 - Step 6: Final answer
x = 82,008.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.