Home / 68,891.82-95,063.37-38,680.44

Finding the Fourth Proportional to 68,891.82, 95,063.37 and 38,680.44

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Solution

The fourth proportional to 68,891.82, 95,063.37 and 38,680.44 is: 53,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,891.82 : 95,063.37 = 38,680.44 : x
  2. Step 2: Convert to fraction form
    68,891.82/95,063.37 = 38,680.44/x
  3. Step 3: Cross multiply
    68,891.82x = 95,063.37 × 38,680.44
  4. Step 4: Simplify right side
    68,891.82x = 3,677,092,695.52
  5. Step 5: Solve for x
    x = 3,677,092,695.52/68,891.82
  6. Step 6: Final answer
    x = 53,374.88

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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.