Home / 50,961.15-76,441.32-17,680.68

Finding the Fourth Proportional to 50,961.15, 76,441.32 and 17,680.68

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Solution

The fourth proportional to 50,961.15, 76,441.32 and 17,680.68 is: 26,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,961.15 : 76,441.32 = 17,680.68 : x
  2. Step 2: Convert to fraction form
    50,961.15/76,441.32 = 17,680.68/x
  3. Step 3: Cross multiply
    50,961.15x = 76,441.32 × 17,680.68
  4. Step 4: Simplify right side
    50,961.15x = 1,351,534,517.70
  5. Step 5: Solve for x
    x = 1,351,534,517.70/50,961.15
  6. Step 6: Final answer
    x = 26,520.88

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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.