Home / 81,950.04-122,937.96-29,358.36

Finding the Fourth Proportional to 81,950.04, 122,937.96 and 29,358.36

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Solution

The fourth proportional to 81,950.04, 122,937.96 and 29,358.36 is: 44,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,950.04 : 122,937.96 = 29,358.36 : x
  2. Step 2: Convert to fraction form
    81,950.04/122,937.96 = 29,358.36/x
  3. Step 3: Cross multiply
    81,950.04x = 122,937.96 × 29,358.36
  4. Step 4: Simplify right side
    81,950.04x = 3,609,256,887.35
  5. Step 5: Solve for x
    x = 3,609,256,887.35/81,950.04
  6. Step 6: Final answer
    x = 44,042.16

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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.