Home / 83,481.26-125,166.36-43,401.80

Finding the Fourth Proportional to 83,481.26, 125,166.36 and 43,401.80

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Solution

The fourth proportional to 83,481.26, 125,166.36 and 43,401.80 is: 65,073.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,481.26 : 125,166.36 = 43,401.80 : x
  2. Step 2: Convert to fraction form
    83,481.26/125,166.36 = 43,401.80/x
  3. Step 3: Cross multiply
    83,481.26x = 125,166.36 × 43,401.80
  4. Step 4: Simplify right side
    83,481.26x = 5,432,445,323.45
  5. Step 5: Solve for x
    x = 5,432,445,323.45/83,481.26
  6. Step 6: Final answer
    x = 65,073.83

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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.