Home / 83,610.19-125,456.30-39,240.55

Finding the Fourth Proportional to 83,610.19, 125,456.30 and 39,240.55

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Solution

The fourth proportional to 83,610.19, 125,456.30 and 39,240.55 is: 58,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,610.19 : 125,456.30 = 39,240.55 : x
  2. Step 2: Convert to fraction form
    83,610.19/125,456.30 = 39,240.55/x
  3. Step 3: Cross multiply
    83,610.19x = 125,456.30 × 39,240.55
  4. Step 4: Simplify right side
    83,610.19x = 4,922,974,212.97
  5. Step 5: Solve for x
    x = 4,922,974,212.97/83,610.19
  6. Step 6: Final answer
    x = 58,880.07

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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.