Home / 45,586.38-68,353.92-31,371.56

Finding the Fourth Proportional to 45,586.38, 68,353.92 and 31,371.56

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Solution

The fourth proportional to 45,586.38, 68,353.92 and 31,371.56 is: 47,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.38 : 68,353.92 = 31,371.56 : x
  2. Step 2: Convert to fraction form
    45,586.38/68,353.92 = 31,371.56/x
  3. Step 3: Cross multiply
    45,586.38x = 68,353.92 × 31,371.56
  4. Step 4: Simplify right side
    45,586.38x = 2,144,368,760.75
  5. Step 5: Solve for x
    x = 2,144,368,760.75/45,586.38
  6. Step 6: Final answer
    x = 47,039.68

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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.