Finding the Fourth Proportional to 91,101.54, 125,731.14 and 53,375.82
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Solution
The fourth proportional to 91,101.54, 125,731.14 and 53,375.82 is: 73,665.09
Step by Step Solution
- Step 1: Write the proportion equation
91,101.54 : 125,731.14 = 53,375.82 : x - Step 2: Convert to fraction form
91,101.54/125,731.14 = 53,375.82/x - Step 3: Cross multiply
91,101.54x = 125,731.14 × 53,375.82 - Step 4: Simplify right side
91,101.54x = 6,711,002,697.03 - Step 5: Solve for x
x = 6,711,002,697.03/91,101.54 - Step 6: Final answer
x = 73,665.09
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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.