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Finding the Fourth Proportional to 71,377.40, 107,078.49 and 23,997.13

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Solution

The fourth proportional to 71,377.40, 107,078.49 and 23,997.13 is: 35,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.40 : 107,078.49 = 23,997.13 : x
  2. Step 2: Convert to fraction form
    71,377.40/107,078.49 = 23,997.13/x
  3. Step 3: Cross multiply
    71,377.40x = 107,078.49 × 23,997.13
  4. Step 4: Simplify right side
    71,377.40x = 2,569,576,177.04
  5. Step 5: Solve for x
    x = 2,569,576,177.04/71,377.40
  6. Step 6: Final answer
    x = 35,999.86

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1.5x scale

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.