Finding the Fourth Proportional to 94,785.17, 142,177.34 and 38,612.75
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Solution
The fourth proportional to 94,785.17, 142,177.34 and 38,612.75 is: 57,918.95
Step by Step Solution
- Step 1: Write the proportion equation
94,785.17 : 142,177.34 = 38,612.75 : x - Step 2: Convert to fraction form
94,785.17/142,177.34 = 38,612.75/x - Step 3: Cross multiply
94,785.17x = 142,177.34 × 38,612.75 - Step 4: Simplify right side
94,785.17x = 5,489,857,470.73 - Step 5: Solve for x
x = 5,489,857,470.73/94,785.17 - Step 6: Final answer
x = 57,918.95
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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.