Home / 68,869.44-95,029.20-40,188.96

Finding the Fourth Proportional to 68,869.44, 95,029.20 and 40,188.96

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Solution

The fourth proportional to 68,869.44, 95,029.20 and 40,188.96 is: 55,454.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,869.44 : 95,029.20 = 40,188.96 : x
  2. Step 2: Convert to fraction form
    68,869.44/95,029.20 = 40,188.96/x
  3. Step 3: Cross multiply
    68,869.44x = 95,029.20 × 40,188.96
  4. Step 4: Simplify right side
    68,869.44x = 3,819,124,717.63
  5. Step 5: Solve for x
    x = 3,819,124,717.63/68,869.44
  6. Step 6: Final answer
    x = 55,454.56

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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.