Home / 81,930.38-122,902.23-22,766.05

Finding the Fourth Proportional to 81,930.38, 122,902.23 and 22,766.05

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Solution

The fourth proportional to 81,930.38, 122,902.23 and 22,766.05 is: 34,150.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,930.38 : 122,902.23 = 22,766.05 : x
  2. Step 2: Convert to fraction form
    81,930.38/122,902.23 = 22,766.05/x
  3. Step 3: Cross multiply
    81,930.38x = 122,902.23 × 22,766.05
  4. Step 4: Simplify right side
    81,930.38x = 2,797,998,552.29
  5. Step 5: Solve for x
    x = 2,797,998,552.29/81,930.38
  6. Step 6: Final answer
    x = 34,150.93

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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.