Home / 81,514.20-122,306.52-44,100.60

Finding the Fourth Proportional to 81,514.20, 122,306.52 and 44,100.60

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Solution

The fourth proportional to 81,514.20, 122,306.52 and 44,100.60 is: 66,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,514.20 : 122,306.52 = 44,100.60 : x
  2. Step 2: Convert to fraction form
    81,514.20/122,306.52 = 44,100.60/x
  3. Step 3: Cross multiply
    81,514.20x = 122,306.52 × 44,100.60
  4. Step 4: Simplify right side
    81,514.20x = 5,393,790,915.91
  5. Step 5: Solve for x
    x = 5,393,790,915.91/81,514.20
  6. Step 6: Final answer
    x = 66,169.95

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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.