Home / 81,890.83-122,836.24-22,726.52

Finding the Fourth Proportional to 81,890.83, 122,836.24 and 22,726.52

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Solution

The fourth proportional to 81,890.83, 122,836.24 and 22,726.52 is: 34,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,890.83 : 122,836.24 = 22,726.52 : x
  2. Step 2: Convert to fraction form
    81,890.83/122,836.24 = 22,726.52/x
  3. Step 3: Cross multiply
    81,890.83x = 122,836.24 × 22,726.52
  4. Step 4: Simplify right side
    81,890.83x = 2,791,640,265.08
  5. Step 5: Solve for x
    x = 2,791,640,265.08/81,890.83
  6. Step 6: Final answer
    x = 34,089.78

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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.