Home / 89,650.20-123,712.76-49,367.46

Finding the Fourth Proportional to 89,650.20, 123,712.76 and 49,367.46

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Solution

The fourth proportional to 89,650.20, 123,712.76 and 49,367.46 is: 68,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,650.20 : 123,712.76 = 49,367.46 : x
  2. Step 2: Convert to fraction form
    89,650.20/123,712.76 = 49,367.46/x
  3. Step 3: Cross multiply
    89,650.20x = 123,712.76 × 49,367.46
  4. Step 4: Simplify right side
    89,650.20x = 6,107,384,730.79
  5. Step 5: Solve for x
    x = 6,107,384,730.79/89,650.20
  6. Step 6: Final answer
    x = 68,124.61

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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.