Home / 80,451.10-120,629.62-24,274.36

Finding the Fourth Proportional to 80,451.10, 120,629.62 and 24,274.36

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Solution

The fourth proportional to 80,451.10, 120,629.62 and 24,274.36 is: 36,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451.10 : 120,629.62 = 24,274.36 : x
  2. Step 2: Convert to fraction form
    80,451.10/120,629.62 = 24,274.36/x
  3. Step 3: Cross multiply
    80,451.10x = 120,629.62 × 24,274.36
  4. Step 4: Simplify right side
    80,451.10x = 2,928,206,822.54
  5. Step 5: Solve for x
    x = 2,928,206,822.54/80,451.10
  6. Step 6: Final answer
    x = 36,397.35

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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.