Home / 82,660.26-123,920.31-32,775.60

Finding the Fourth Proportional to 82,660.26, 123,920.31 and 32,775.60

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Solution

The fourth proportional to 82,660.26, 123,920.31 and 32,775.60 is: 49,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,660.26 : 123,920.31 = 32,775.60 : x
  2. Step 2: Convert to fraction form
    82,660.26/123,920.31 = 32,775.60/x
  3. Step 3: Cross multiply
    82,660.26x = 123,920.31 × 32,775.60
  4. Step 4: Simplify right side
    82,660.26x = 4,061,562,512.44
  5. Step 5: Solve for x
    x = 4,061,562,512.44/82,660.26
  6. Step 6: Final answer
    x = 49,135.61

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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.