Home / 82,531.13-123,796.89-29,940.66

Finding the Fourth Proportional to 82,531.13, 123,796.89 and 29,940.66

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Solution

The fourth proportional to 82,531.13, 123,796.89 and 29,940.66 is: 44,911.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.13 : 123,796.89 = 29,940.66 : x
  2. Step 2: Convert to fraction form
    82,531.13/123,796.89 = 29,940.66/x
  3. Step 3: Cross multiply
    82,531.13x = 123,796.89 × 29,940.66
  4. Step 4: Simplify right side
    82,531.13x = 3,706,560,592.55
  5. Step 5: Solve for x
    x = 3,706,560,592.55/82,531.13
  6. Step 6: Final answer
    x = 44,911.06

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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.