Home / 81,517.98-122,231.40-41,511.94

Finding the Fourth Proportional to 81,517.98, 122,231.40 and 41,511.94

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Solution

The fourth proportional to 81,517.98, 122,231.40 and 41,511.94 is: 62,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,517.98 : 122,231.40 = 41,511.94 : x
  2. Step 2: Convert to fraction form
    81,517.98/122,231.40 = 41,511.94/x
  3. Step 3: Cross multiply
    81,517.98x = 122,231.40 × 41,511.94
  4. Step 4: Simplify right side
    81,517.98x = 5,074,062,542.92
  5. Step 5: Solve for x
    x = 5,074,062,542.92/81,517.98
  6. Step 6: Final answer
    x = 62,244.71

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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.