Home / 87,757.72-131,517.29-37,114.65

Finding the Fourth Proportional to 87,757.72, 131,517.29 and 37,114.65

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Solution

The fourth proportional to 87,757.72, 131,517.29 and 37,114.65 is: 55,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,757.72 : 131,517.29 = 37,114.65 : x
  2. Step 2: Convert to fraction form
    87,757.72/131,517.29 = 37,114.65/x
  3. Step 3: Cross multiply
    87,757.72x = 131,517.29 × 37,114.65
  4. Step 4: Simplify right side
    87,757.72x = 4,881,218,187.30
  5. Step 5: Solve for x
    x = 4,881,218,187.30/87,757.72
  6. Step 6: Final answer
    x = 55,621.52

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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.