Home / 67,133.11-100,691.45-27,685.10

Finding the Fourth Proportional to 67,133.11, 100,691.45 and 27,685.10

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Solution

The fourth proportional to 67,133.11, 100,691.45 and 27,685.10 is: 41,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,133.11 : 100,691.45 = 27,685.10 : x
  2. Step 2: Convert to fraction form
    67,133.11/100,691.45 = 27,685.10/x
  3. Step 3: Cross multiply
    67,133.11x = 100,691.45 × 27,685.10
  4. Step 4: Simplify right side
    67,133.11x = 2,787,652,862.40
  5. Step 5: Solve for x
    x = 2,787,652,862.40/67,133.11
  6. Step 6: Final answer
    x = 41,524.26

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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.