Home / 81,844.90-122,641.97-55,091.95

Finding the Fourth Proportional to 81,844.90, 122,641.97 and 55,091.95

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Solution

The fourth proportional to 81,844.90, 122,641.97 and 55,091.95 is: 82,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,844.90 : 122,641.97 = 55,091.95 : x
  2. Step 2: Convert to fraction form
    81,844.90/122,641.97 = 55,091.95/x
  3. Step 3: Cross multiply
    81,844.90x = 122,641.97 × 55,091.95
  4. Step 4: Simplify right side
    81,844.90x = 6,756,584,697.08
  5. Step 5: Solve for x
    x = 6,756,584,697.08/81,844.90
  6. Step 6: Final answer
    x = 82,553.52

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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.