Home / 83,432.64-125,149.16-20,252.52

Finding the Fourth Proportional to 83,432.64, 125,149.16 and 20,252.52

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Solution

The fourth proportional to 83,432.64, 125,149.16 and 20,252.52 is: 30,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,432.64 : 125,149.16 = 20,252.52 : x
  2. Step 2: Convert to fraction form
    83,432.64/125,149.16 = 20,252.52/x
  3. Step 3: Cross multiply
    83,432.64x = 125,149.16 × 20,252.52
  4. Step 4: Simplify right side
    83,432.64x = 2,534,585,865.88
  5. Step 5: Solve for x
    x = 2,534,585,865.88/83,432.64
  6. Step 6: Final answer
    x = 30,378.83

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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.