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Finding the Fourth Proportional to 62,399.57, 86,110.14 and 34,105.46

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Solution

The fourth proportional to 62,399.57, 86,110.14 and 34,105.46 is: 47,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,399.57 : 86,110.14 = 34,105.46 : x
  2. Step 2: Convert to fraction form
    62,399.57/86,110.14 = 34,105.46/x
  3. Step 3: Cross multiply
    62,399.57x = 86,110.14 × 34,105.46
  4. Step 4: Simplify right side
    62,399.57x = 2,936,826,278.54
  5. Step 5: Solve for x
    x = 2,936,826,278.54/62,399.57
  6. Step 6: Final answer
    x = 47,064.85

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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.