Home / 71,092.25-106,720.38-36,105.72

Finding the Fourth Proportional to 71,092.25, 106,720.38 and 36,105.72

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Solution

The fourth proportional to 71,092.25, 106,720.38 and 36,105.72 is: 54,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,092.25 : 106,720.38 = 36,105.72 : x
  2. Step 2: Convert to fraction form
    71,092.25/106,720.38 = 36,105.72/x
  3. Step 3: Cross multiply
    71,092.25x = 106,720.38 × 36,105.72
  4. Step 4: Simplify right side
    71,092.25x = 3,853,216,158.57
  5. Step 5: Solve for x
    x = 3,853,216,158.57/71,092.25
  6. Step 6: Final answer
    x = 54,200.23

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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.