Home / 87,757.71-131,517.27-37,114.64

Finding the Fourth Proportional to 87,757.71, 131,517.27 and 37,114.64

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Solution

The fourth proportional to 87,757.71, 131,517.27 and 37,114.64 is: 55,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,757.71 : 131,517.27 = 37,114.64 : x
  2. Step 2: Convert to fraction form
    87,757.71/131,517.27 = 37,114.64/x
  3. Step 3: Cross multiply
    87,757.71x = 131,517.27 × 37,114.64
  4. Step 4: Simplify right side
    87,757.71x = 4,881,215,472.25
  5. Step 5: Solve for x
    x = 4,881,215,472.25/87,757.71
  6. Step 6: Final answer
    x = 55,621.50

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1.5x scale

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.