Home / 57,679.20-79,578.66-32,181.44

Finding the Fourth Proportional to 57,679.20, 79,578.66 and 32,181.44

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Solution

The fourth proportional to 57,679.20, 79,578.66 and 32,181.44 is: 44,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679.20 : 79,578.66 = 32,181.44 : x
  2. Step 2: Convert to fraction form
    57,679.20/79,578.66 = 32,181.44/x
  3. Step 3: Cross multiply
    57,679.20x = 79,578.66 × 32,181.44
  4. Step 4: Simplify right side
    57,679.20x = 2,560,955,474.18
  5. Step 5: Solve for x
    x = 2,560,955,474.18/57,679.20
  6. Step 6: Final answer
    x = 44,399.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.