Home / 82,708.20-124,001.55-32,763.60

Finding the Fourth Proportional to 82,708.20, 124,001.55 and 32,763.60

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Solution

The fourth proportional to 82,708.20, 124,001.55 and 32,763.60 is: 49,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,708.20 : 124,001.55 = 32,763.60 : x
  2. Step 2: Convert to fraction form
    82,708.20/124,001.55 = 32,763.60/x
  3. Step 3: Cross multiply
    82,708.20x = 124,001.55 × 32,763.60
  4. Step 4: Simplify right side
    82,708.20x = 4,062,737,183.58
  5. Step 5: Solve for x
    x = 4,062,737,183.58/82,708.20
  6. Step 6: Final answer
    x = 49,121.33

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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.