Home / 80,582.73-120,832.38-36,171.24

Finding the Fourth Proportional to 80,582.73, 120,832.38 and 36,171.24

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Solution

The fourth proportional to 80,582.73, 120,832.38 and 36,171.24 is: 54,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,582.73 : 120,832.38 = 36,171.24 : x
  2. Step 2: Convert to fraction form
    80,582.73/120,832.38 = 36,171.24/x
  3. Step 3: Cross multiply
    80,582.73x = 120,832.38 × 36,171.24
  4. Step 4: Simplify right side
    80,582.73x = 4,370,657,016.75
  5. Step 5: Solve for x
    x = 4,370,657,016.75/80,582.73
  6. Step 6: Final answer
    x = 54,238.14

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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.