Home / 67,197.20-92,732.11-38,902.28

Finding the Fourth Proportional to 67,197.20, 92,732.11 and 38,902.28

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Solution

The fourth proportional to 67,197.20, 92,732.11 and 38,902.28 is: 53,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,197.20 : 92,732.11 = 38,902.28 : x
  2. Step 2: Convert to fraction form
    67,197.20/92,732.11 = 38,902.28/x
  3. Step 3: Cross multiply
    67,197.20x = 92,732.11 × 38,902.28
  4. Step 4: Simplify right side
    67,197.20x = 3,607,489,947.29
  5. Step 5: Solve for x
    x = 3,607,489,947.29/67,197.20
  6. Step 6: Final answer
    x = 53,685.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.