Home / 76,769.42-115,169.85-32,396.18

Finding the Fourth Proportional to 76,769.42, 115,169.85 and 32,396.18

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Solution

The fourth proportional to 76,769.42, 115,169.85 and 32,396.18 is: 48,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,769.42 : 115,169.85 = 32,396.18 : x
  2. Step 2: Convert to fraction form
    76,769.42/115,169.85 = 32,396.18/x
  3. Step 3: Cross multiply
    76,769.42x = 115,169.85 × 32,396.18
  4. Step 4: Simplify right side
    76,769.42x = 3,731,063,191.17
  5. Step 5: Solve for x
    x = 3,731,063,191.17/76,769.42
  6. Step 6: Final answer
    x = 48,600.90

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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.