Home / 82,537.40-123,791.70-29,919.80

Finding the Fourth Proportional to 82,537.40, 123,791.70 and 29,919.80

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Solution

The fourth proportional to 82,537.40, 123,791.70 and 29,919.80 is: 44,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537.40 : 123,791.70 = 29,919.80 : x
  2. Step 2: Convert to fraction form
    82,537.40/123,791.70 = 29,919.80/x
  3. Step 3: Cross multiply
    82,537.40x = 123,791.70 × 29,919.80
  4. Step 4: Simplify right side
    82,537.40x = 3,703,822,905.66
  5. Step 5: Solve for x
    x = 3,703,822,905.66/82,537.40
  6. Step 6: Final answer
    x = 44,874.48

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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.