Finding the Fourth Proportional to 73,103.14, 100,882.48 and 39,569.14
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Solution
The fourth proportional to 73,103.14, 100,882.48 and 39,569.14 is: 54,605.49
Step by Step Solution
- Step 1: Write the proportion equation
73,103.14 : 100,882.48 = 39,569.14 : x - Step 2: Convert to fraction form
73,103.14/100,882.48 = 39,569.14/x - Step 3: Cross multiply
73,103.14x = 100,882.48 × 39,569.14 - Step 4: Simplify right side
73,103.14x = 3,991,832,470.25 - Step 5: Solve for x
x = 3,991,832,470.25/73,103.14 - Step 6: Final answer
x = 54,605.49
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1.5x scale
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.