Home / 87,960.46-131,943.12-75,402.22

Finding the Fourth Proportional to 87,960.46, 131,943.12 and 75,402.22

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Solution

The fourth proportional to 87,960.46, 131,943.12 and 75,402.22 is: 113,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960.46 : 131,943.12 = 75,402.22 : x
  2. Step 2: Convert to fraction form
    87,960.46/131,943.12 = 75,402.22/x
  3. Step 3: Cross multiply
    87,960.46x = 131,943.12 × 75,402.22
  4. Step 4: Simplify right side
    87,960.46x = 9,948,804,161.73
  5. Step 5: Solve for x
    x = 9,948,804,161.73/87,960.46
  6. Step 6: Final answer
    x = 113,105.41

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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.