Home / 68,956.20-103,485.78-51,227.82

Finding the Fourth Proportional to 68,956.20, 103,485.78 and 51,227.82

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Solution

The fourth proportional to 68,956.20, 103,485.78 and 51,227.82 is: 76,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,956.20 : 103,485.78 = 51,227.82 : x
  2. Step 2: Convert to fraction form
    68,956.20/103,485.78 = 51,227.82/x
  3. Step 3: Cross multiply
    68,956.20x = 103,485.78 × 51,227.82
  4. Step 4: Simplify right side
    68,956.20x = 5,301,350,910.40
  5. Step 5: Solve for x
    x = 5,301,350,910.40/68,956.20
  6. Step 6: Final answer
    x = 76,879.97

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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.