Home / 41,787.20-62,680.80-13,707.20

Finding the Fourth Proportional to 41,787.20, 62,680.80 and 13,707.20

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Solution

The fourth proportional to 41,787.20, 62,680.80 and 13,707.20 is: 20,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,787.20 : 62,680.80 = 13,707.20 : x
  2. Step 2: Convert to fraction form
    41,787.20/62,680.80 = 13,707.20/x
  3. Step 3: Cross multiply
    41,787.20x = 62,680.80 × 13,707.20
  4. Step 4: Simplify right side
    41,787.20x = 859,178,261.76
  5. Step 5: Solve for x
    x = 859,178,261.76/41,787.20
  6. Step 6: Final answer
    x = 20,560.80

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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.