Home / 51,049.18-76,581.94-17,778.70

Finding the Fourth Proportional to 51,049.18, 76,581.94 and 17,778.70

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Solution

The fourth proportional to 51,049.18, 76,581.94 and 17,778.70 is: 26,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.18 : 76,581.94 = 17,778.70 : x
  2. Step 2: Convert to fraction form
    51,049.18/76,581.94 = 17,778.70/x
  3. Step 3: Cross multiply
    51,049.18x = 76,581.94 × 17,778.70
  4. Step 4: Simplify right side
    51,049.18x = 1,361,527,336.68
  5. Step 5: Solve for x
    x = 1,361,527,336.68/51,049.18
  6. Step 6: Final answer
    x = 26,670.90

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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.