Home / 48,761.75-67,272.17-28,340.42

Finding the Fourth Proportional to 48,761.75, 67,272.17 and 28,340.42

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Solution

The fourth proportional to 48,761.75, 67,272.17 and 28,340.42 is: 39,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,761.75 : 67,272.17 = 28,340.42 : x
  2. Step 2: Convert to fraction form
    48,761.75/67,272.17 = 28,340.42/x
  3. Step 3: Cross multiply
    48,761.75x = 67,272.17 × 28,340.42
  4. Step 4: Simplify right side
    48,761.75x = 1,906,521,410.41
  5. Step 5: Solve for x
    x = 1,906,521,410.41/48,761.75
  6. Step 6: Final answer
    x = 39,098.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.