Home / 68,964.20-95,160.39-39,891.68

Finding the Fourth Proportional to 68,964.20, 95,160.39 and 39,891.68

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Solution

The fourth proportional to 68,964.20, 95,160.39 and 39,891.68 is: 55,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,964.20 : 95,160.39 = 39,891.68 : x
  2. Step 2: Convert to fraction form
    68,964.20/95,160.39 = 39,891.68/x
  3. Step 3: Cross multiply
    68,964.20x = 95,160.39 × 39,891.68
  4. Step 4: Simplify right side
    68,964.20x = 3,796,107,826.56
  5. Step 5: Solve for x
    x = 3,796,107,826.56/68,964.20
  6. Step 6: Final answer
    x = 55,044.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.