Finding the Fourth Proportional to 91,125.67, 125,755.32 and 50,841.13
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Solution
The fourth proportional to 91,125.67, 125,755.32 and 50,841.13 is: 70,161.82
Step by Step Solution
- Step 1: Write the proportion equation
91,125.67 : 125,755.32 = 50,841.13 : x - Step 2: Convert to fraction form
91,125.67/125,755.32 = 50,841.13/x - Step 3: Cross multiply
91,125.67x = 125,755.32 × 50,841.13 - Step 4: Simplify right side
91,125.67x = 6,393,542,572.31 - Step 5: Solve for x
x = 6,393,542,572.31/91,125.67 - Step 6: Final answer
x = 70,161.82
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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.