Home / 63,787.20-88,147.71-47,843.97

Finding the Fourth Proportional to 63,787.20, 88,147.71 and 47,843.97

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Solution

The fourth proportional to 63,787.20, 88,147.71 and 47,843.97 is: 66,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.20 : 88,147.71 = 47,843.97 : x
  2. Step 2: Convert to fraction form
    63,787.20/88,147.71 = 47,843.97/x
  3. Step 3: Cross multiply
    63,787.20x = 88,147.71 × 47,843.97
  4. Step 4: Simplify right side
    63,787.20x = 4,217,336,392.81
  5. Step 5: Solve for x
    x = 4,217,336,392.81/63,787.20
  6. Step 6: Final answer
    x = 66,115.72

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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.