Home / 67,730.38-101,540.15-25,586.55

Finding the Fourth Proportional to 67,730.38, 101,540.15 and 25,586.55

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Solution

The fourth proportional to 67,730.38, 101,540.15 and 25,586.55 is: 38,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,730.38 : 101,540.15 = 25,586.55 : x
  2. Step 2: Convert to fraction form
    67,730.38/101,540.15 = 25,586.55/x
  3. Step 3: Cross multiply
    67,730.38x = 101,540.15 × 25,586.55
  4. Step 4: Simplify right side
    67,730.38x = 2,598,062,124.98
  5. Step 5: Solve for x
    x = 2,598,062,124.98/67,730.38
  6. Step 6: Final answer
    x = 38,358.89

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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.