Home / 87,452.24-131,275.48-45,321.04

Finding the Fourth Proportional to 87,452.24, 131,275.48 and 45,321.04

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Solution

The fourth proportional to 87,452.24, 131,275.48 and 45,321.04 is: 68,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.24 : 131,275.48 = 45,321.04 : x
  2. Step 2: Convert to fraction form
    87,452.24/131,275.48 = 45,321.04/x
  3. Step 3: Cross multiply
    87,452.24x = 131,275.48 × 45,321.04
  4. Step 4: Simplify right side
    87,452.24x = 5,949,541,280.10
  5. Step 5: Solve for x
    x = 5,949,541,280.10/87,452.24
  6. Step 6: Final answer
    x = 68,031.89

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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.