Home / 82,268.73-123,377.55-29,671.38

Finding the Fourth Proportional to 82,268.73, 123,377.55 and 29,671.38

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Solution

The fourth proportional to 82,268.73, 123,377.55 and 29,671.38 is: 44,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,268.73 : 123,377.55 = 29,671.38 : x
  2. Step 2: Convert to fraction form
    82,268.73/123,377.55 = 29,671.38/x
  3. Step 3: Cross multiply
    82,268.73x = 123,377.55 × 29,671.38
  4. Step 4: Simplify right side
    82,268.73x = 3,660,782,169.52
  5. Step 5: Solve for x
    x = 3,660,782,169.52/82,268.73
  6. Step 6: Final answer
    x = 44,497.86

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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.