Home / 81,633.25-122,412.93-29,044.12

Finding the Fourth Proportional to 81,633.25, 122,412.93 and 29,044.12

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Solution

The fourth proportional to 81,633.25, 122,412.93 and 29,044.12 is: 43,553.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,633.25 : 122,412.93 = 29,044.12 : x
  2. Step 2: Convert to fraction form
    81,633.25/122,412.93 = 29,044.12/x
  3. Step 3: Cross multiply
    81,633.25x = 122,412.93 × 29,044.12
  4. Step 4: Simplify right side
    81,633.25x = 3,555,375,828.47
  5. Step 5: Solve for x
    x = 3,555,375,828.47/81,633.25
  6. Step 6: Final answer
    x = 43,553.04

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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.