Home / 83,501.20-125,033.10-61,193.80

Finding the Fourth Proportional to 83,501.20, 125,033.10 and 61,193.80

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Solution

The fourth proportional to 83,501.20, 125,033.10 and 61,193.80 is: 91,630.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,501.20 : 125,033.10 = 61,193.80 : x
  2. Step 2: Convert to fraction form
    83,501.20/125,033.10 = 61,193.80/x
  3. Step 3: Cross multiply
    83,501.20x = 125,033.10 × 61,193.80
  4. Step 4: Simplify right side
    83,501.20x = 7,651,250,514.78
  5. Step 5: Solve for x
    x = 7,651,250,514.78/83,501.20
  6. Step 6: Final answer
    x = 91,630.43

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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.