Home / 83,829.78-125,800.06-39,469.22

Finding the Fourth Proportional to 83,829.78, 125,800.06 and 39,469.22

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Solution

The fourth proportional to 83,829.78, 125,800.06 and 39,469.22 is: 59,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,829.78 : 125,800.06 = 39,469.22 : x
  2. Step 2: Convert to fraction form
    83,829.78/125,800.06 = 39,469.22/x
  3. Step 3: Cross multiply
    83,829.78x = 125,800.06 × 39,469.22
  4. Step 4: Simplify right side
    83,829.78x = 4,965,230,244.15
  5. Step 5: Solve for x
    x = 4,965,230,244.15/83,829.78
  6. Step 6: Final answer
    x = 59,229.91

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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.