Home / 41,787.90-62,680.50-12,206.16

Finding the Fourth Proportional to 41,787.90, 62,680.50 and 12,206.16

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Solution

The fourth proportional to 41,787.90, 62,680.50 and 12,206.16 is: 18,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,787.90 : 62,680.50 = 12,206.16 : x
  2. Step 2: Convert to fraction form
    41,787.90/62,680.50 = 12,206.16/x
  3. Step 3: Cross multiply
    41,787.90x = 62,680.50 × 12,206.16
  4. Step 4: Simplify right side
    41,787.90x = 765,088,211.88
  5. Step 5: Solve for x
    x = 765,088,211.88/41,787.90
  6. Step 6: Final answer
    x = 18,308.85

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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.