Finding the Fourth Proportional to 83,738.20, 125,593.26 and 27,578.92
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Solution
The fourth proportional to 83,738.20, 125,593.26 and 27,578.92 is: 41,363.76
Step by Step Solution
- Step 1: Write the proportion equation
83,738.20 : 125,593.26 = 27,578.92 : x - Step 2: Convert to fraction form
83,738.20/125,593.26 = 27,578.92/x - Step 3: Cross multiply
83,738.20x = 125,593.26 × 27,578.92 - Step 4: Simplify right side
83,738.20x = 3,463,726,470.08 - Step 5: Solve for x
x = 3,463,726,470.08/83,738.20 - Step 6: Final answer
x = 41,363.76
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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.