Home / 57,049.92-85,563.36-39,677.76

Finding the Fourth Proportional to 57,049.92, 85,563.36 and 39,677.76

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Solution

The fourth proportional to 57,049.92, 85,563.36 and 39,677.76 is: 59,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.92 : 85,563.36 = 39,677.76 : x
  2. Step 2: Convert to fraction form
    57,049.92/85,563.36 = 39,677.76/x
  3. Step 3: Cross multiply
    57,049.92x = 85,563.36 × 39,677.76
  4. Step 4: Simplify right side
    57,049.92x = 3,394,962,462.87
  5. Step 5: Solve for x
    x = 3,394,962,462.87/57,049.92
  6. Step 6: Final answer
    x = 59,508.63

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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.