Home / 51,083.20-76,627.68-15,545.68

Finding the Fourth Proportional to 51,083.20, 76,627.68 and 15,545.68

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Solution

The fourth proportional to 51,083.20, 76,627.68 and 15,545.68 is: 23,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,083.20 : 76,627.68 = 15,545.68 : x
  2. Step 2: Convert to fraction form
    51,083.20/76,627.68 = 15,545.68/x
  3. Step 3: Cross multiply
    51,083.20x = 76,627.68 × 15,545.68
  4. Step 4: Simplify right side
    51,083.20x = 1,191,229,078.52
  5. Step 5: Solve for x
    x = 1,191,229,078.52/51,083.20
  6. Step 6: Final answer
    x = 23,319.39

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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.