Home / 83,105.22-124,588.44-38,709.12

Finding the Fourth Proportional to 83,105.22, 124,588.44 and 38,709.12

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Solution

The fourth proportional to 83,105.22, 124,588.44 and 38,709.12 is: 58,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,105.22 : 124,588.44 = 38,709.12 : x
  2. Step 2: Convert to fraction form
    83,105.22/124,588.44 = 38,709.12/x
  3. Step 3: Cross multiply
    83,105.22x = 124,588.44 × 38,709.12
  4. Step 4: Simplify right side
    83,105.22x = 4,822,708,874.57
  5. Step 5: Solve for x
    x = 4,822,708,874.57/83,105.22
  6. Step 6: Final answer
    x = 58,031.36

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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.