Home / 84,077.22-126,123-24,105.90

Finding the Fourth Proportional to 84,077.22, 126,123 and 24,105.90

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Solution

The fourth proportional to 84,077.22, 126,123 and 24,105.90 is: 36,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,077.22 : 126,123 = 24,105.90 : x
  2. Step 2: Convert to fraction form
    84,077.22/126,123 = 24,105.90/x
  3. Step 3: Cross multiply
    84,077.22x = 126,123 × 24,105.90
  4. Step 4: Simplify right side
    84,077.22x = 3,040,308,425.70
  5. Step 5: Solve for x
    x = 3,040,308,425.70/84,077.22
  6. Step 6: Final answer
    x = 36,160.91

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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.