Home / 87,149.64-130,747.12-24,825

Finding the Fourth Proportional to 87,149.64, 130,747.12 and 24,825

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Solution

The fourth proportional to 87,149.64, 130,747.12 and 24,825 is: 37,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149.64 : 130,747.12 = 24,825 : x
  2. Step 2: Convert to fraction form
    87,149.64/130,747.12 = 24,825/x
  3. Step 3: Cross multiply
    87,149.64x = 130,747.12 × 24,825
  4. Step 4: Simplify right side
    87,149.64x = 3,245,797,254
  5. Step 5: Solve for x
    x = 3,245,797,254/87,149.64
  6. Step 6: Final answer
    x = 37,243.95

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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.