Home / 67,540.10-101,248.22-25,955.78

Finding the Fourth Proportional to 67,540.10, 101,248.22 and 25,955.78

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Solution

The fourth proportional to 67,540.10, 101,248.22 and 25,955.78 is: 38,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,540.10 : 101,248.22 = 25,955.78 : x
  2. Step 2: Convert to fraction form
    67,540.10/101,248.22 = 25,955.78/x
  3. Step 3: Cross multiply
    67,540.10x = 101,248.22 × 25,955.78
  4. Step 4: Simplify right side
    67,540.10x = 2,627,976,523.71
  5. Step 5: Solve for x
    x = 2,627,976,523.71/67,540.10
  6. Step 6: Final answer
    x = 38,909.87

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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.