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Finding the Fourth Proportional to 80,067.30, 120,096.60 and 40,623.41

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Solution

The fourth proportional to 80,067.30, 120,096.60 and 40,623.41 is: 60,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,067.30 : 120,096.60 = 40,623.41 : x
  2. Step 2: Convert to fraction form
    80,067.30/120,096.60 = 40,623.41/x
  3. Step 3: Cross multiply
    80,067.30x = 120,096.60 × 40,623.41
  4. Step 4: Simplify right side
    80,067.30x = 4,878,732,820.92
  5. Step 5: Solve for x
    x = 4,878,732,820.92/80,067.30
  6. Step 6: Final answer
    x = 60,932.90

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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.