Finding the Fourth Proportional to 77,642.01, 116,508.17 and 32,660.08
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Solution
The fourth proportional to 77,642.01, 116,508.17 and 32,660.08 is: 49,009.11
Step by Step Solution
- Step 1: Write the proportion equation
77,642.01 : 116,508.17 = 32,660.08 : x - Step 2: Convert to fraction form
77,642.01/116,508.17 = 32,660.08/x - Step 3: Cross multiply
77,642.01x = 116,508.17 × 32,660.08 - Step 4: Simplify right side
77,642.01x = 3,805,165,943.23 - Step 5: Solve for x
x = 3,805,165,943.23/77,642.01 - Step 6: Final answer
x = 49,009.11
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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.