Home / 81,517.24-122,267.67-22,358.86

Finding the Fourth Proportional to 81,517.24, 122,267.67 and 22,358.86

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Solution

The fourth proportional to 81,517.24, 122,267.67 and 22,358.86 is: 33,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,517.24 : 122,267.67 = 22,358.86 : x
  2. Step 2: Convert to fraction form
    81,517.24/122,267.67 = 22,358.86/x
  3. Step 3: Cross multiply
    81,517.24x = 122,267.67 × 22,358.86
  4. Step 4: Simplify right side
    81,517.24x = 2,733,765,716.06
  5. Step 5: Solve for x
    x = 2,733,765,716.06/81,517.24
  6. Step 6: Final answer
    x = 33,536.04

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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.