Home / 80,040.32-120,067.30-23,876.80

Finding the Fourth Proportional to 80,040.32, 120,067.30 and 23,876.80

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Solution

The fourth proportional to 80,040.32, 120,067.30 and 23,876.80 is: 35,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.32 : 120,067.30 = 23,876.80 : x
  2. Step 2: Convert to fraction form
    80,040.32/120,067.30 = 23,876.80/x
  3. Step 3: Cross multiply
    80,040.32x = 120,067.30 × 23,876.80
  4. Step 4: Simplify right side
    80,040.32x = 2,866,822,908.64
  5. Step 5: Solve for x
    x = 2,866,822,908.64/80,040.32
  6. Step 6: Final answer
    x = 35,817.23

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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.