Home / 80,356.86-120,540.15-24,192.27

Finding the Fourth Proportional to 80,356.86, 120,540.15 and 24,192.27

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Solution

The fourth proportional to 80,356.86, 120,540.15 and 24,192.27 is: 36,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,356.86 : 120,540.15 = 24,192.27 : x
  2. Step 2: Convert to fraction form
    80,356.86/120,540.15 = 24,192.27/x
  3. Step 3: Cross multiply
    80,356.86x = 120,540.15 × 24,192.27
  4. Step 4: Simplify right side
    80,356.86x = 2,916,139,854.64
  5. Step 5: Solve for x
    x = 2,916,139,854.64/80,356.86
  6. Step 6: Final answer
    x = 36,289.87

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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.