Home / 80,176.41-120,306.12-58,171.41

Finding the Fourth Proportional to 80,176.41, 120,306.12 and 58,171.41

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Solution

The fourth proportional to 80,176.41, 120,306.12 and 58,171.41 is: 87,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,176.41 : 120,306.12 = 58,171.41 : x
  2. Step 2: Convert to fraction form
    80,176.41/120,306.12 = 58,171.41/x
  3. Step 3: Cross multiply
    80,176.41x = 120,306.12 × 58,171.41
  4. Step 4: Simplify right side
    80,176.41x = 6,998,376,632.03
  5. Step 5: Solve for x
    x = 6,998,376,632.03/80,176.41
  6. Step 6: Final answer
    x = 87,287.23

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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.