Home / 83,764.62-125,466.50-39,324.78

Finding the Fourth Proportional to 83,764.62, 125,466.50 and 39,324.78

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Solution

The fourth proportional to 83,764.62, 125,466.50 and 39,324.78 is: 58,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,764.62 : 125,466.50 = 39,324.78 : x
  2. Step 2: Convert to fraction form
    83,764.62/125,466.50 = 39,324.78/x
  3. Step 3: Cross multiply
    83,764.62x = 125,466.50 × 39,324.78
  4. Step 4: Simplify right side
    83,764.62x = 4,933,942,313.25
  5. Step 5: Solve for x
    x = 4,933,942,313.25/83,764.62
  6. Step 6: Final answer
    x = 58,902.46

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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.