Home / 81,944.78-122,930.13-29,353.10

Finding the Fourth Proportional to 81,944.78, 122,930.13 and 29,353.10

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Solution

The fourth proportional to 81,944.78, 122,930.13 and 29,353.10 is: 44,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,944.78 : 122,930.13 = 29,353.10 : x
  2. Step 2: Convert to fraction form
    81,944.78/122,930.13 = 29,353.10/x
  3. Step 3: Cross multiply
    81,944.78x = 122,930.13 × 29,353.10
  4. Step 4: Simplify right side
    81,944.78x = 3,608,380,398.90
  5. Step 5: Solve for x
    x = 3,608,380,398.90/81,944.78
  6. Step 6: Final answer
    x = 44,034.29

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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.