Home / 76,841.24-115,234.13-32,471.42

Finding the Fourth Proportional to 76,841.24, 115,234.13 and 32,471.42

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Solution

The fourth proportional to 76,841.24, 115,234.13 and 32,471.42 is: 48,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,841.24 : 115,234.13 = 32,471.42 : x
  2. Step 2: Convert to fraction form
    76,841.24/115,234.13 = 32,471.42/x
  3. Step 3: Cross multiply
    76,841.24x = 115,234.13 × 32,471.42
  4. Step 4: Simplify right side
    76,841.24x = 3,741,815,095.04
  5. Step 5: Solve for x
    x = 3,741,815,095.04/76,841.24
  6. Step 6: Final answer
    x = 48,695.41

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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.