Home / 63,787.16-95,680.64-21,671.61

Finding the Fourth Proportional to 63,787.16, 95,680.64 and 21,671.61

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Solution

The fourth proportional to 63,787.16, 95,680.64 and 21,671.61 is: 32,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,787.16 : 95,680.64 = 21,671.61 : x
  2. Step 2: Convert to fraction form
    63,787.16/95,680.64 = 21,671.61/x
  3. Step 3: Cross multiply
    63,787.16x = 95,680.64 × 21,671.61
  4. Step 4: Simplify right side
    63,787.16x = 2,073,553,568.81
  5. Step 5: Solve for x
    x = 2,073,553,568.81/63,787.16
  6. Step 6: Final answer
    x = 32,507.38

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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.