Home / 81,514.24-122,263.17-22,355.86

Finding the Fourth Proportional to 81,514.24, 122,263.17 and 22,355.86

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Solution

The fourth proportional to 81,514.24, 122,263.17 and 22,355.86 is: 33,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,514.24 : 122,263.17 = 22,355.86 : x
  2. Step 2: Convert to fraction form
    81,514.24/122,263.17 = 22,355.86/x
  3. Step 3: Cross multiply
    81,514.24x = 122,263.17 × 22,355.86
  4. Step 4: Simplify right side
    81,514.24x = 2,733,298,311.68
  5. Step 5: Solve for x
    x = 2,733,298,311.68/81,514.24
  6. Step 6: Final answer
    x = 33,531.54

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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.