Home / 100,044.24-138,103.56-62,337.12

Finding the Fourth Proportional to 100,044.24, 138,103.56 and 62,337.12

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Solution

The fourth proportional to 100,044.24, 138,103.56 and 62,337.12 is: 86,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,044.24 : 138,103.56 = 62,337.12 : x
  2. Step 2: Convert to fraction form
    100,044.24/138,103.56 = 62,337.12/x
  3. Step 3: Cross multiply
    100,044.24x = 138,103.56 × 62,337.12
  4. Step 4: Simplify right side
    100,044.24x = 8,608,978,192.15
  5. Step 5: Solve for x
    x = 8,608,978,192.15/100,044.24
  6. Step 6: Final answer
    x = 86,051.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.