Home / 83,764.90-125,662.92-27,608.95

Finding the Fourth Proportional to 83,764.90, 125,662.92 and 27,608.95

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Solution

The fourth proportional to 83,764.90, 125,662.92 and 27,608.95 is: 41,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,764.90 : 125,662.92 = 27,608.95 : x
  2. Step 2: Convert to fraction form
    83,764.90/125,662.92 = 27,608.95/x
  3. Step 3: Cross multiply
    83,764.90x = 125,662.92 × 27,608.95
  4. Step 4: Simplify right side
    83,764.90x = 3,469,421,328.68
  5. Step 5: Solve for x
    x = 3,469,421,328.68/83,764.90
  6. Step 6: Final answer
    x = 41,418.56

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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.