Home / 51,452.28-77,139.54-16,371.72

Finding the Fourth Proportional to 51,452.28, 77,139.54 and 16,371.72

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Solution

The fourth proportional to 51,452.28, 77,139.54 and 16,371.72 is: 24,545.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,452.28 : 77,139.54 = 16,371.72 : x
  2. Step 2: Convert to fraction form
    51,452.28/77,139.54 = 16,371.72/x
  3. Step 3: Cross multiply
    51,452.28x = 77,139.54 × 16,371.72
  4. Step 4: Simplify right side
    51,452.28x = 1,262,906,949.81
  5. Step 5: Solve for x
    x = 1,262,906,949.81/51,452.28
  6. Step 6: Final answer
    x = 24,545.21

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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.