Home / 89,321.22-123,255.51-49,034.82

Finding the Fourth Proportional to 89,321.22, 123,255.51 and 49,034.82

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Solution

The fourth proportional to 89,321.22, 123,255.51 and 49,034.82 is: 67,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,321.22 : 123,255.51 = 49,034.82 : x
  2. Step 2: Convert to fraction form
    89,321.22/123,255.51 = 49,034.82/x
  3. Step 3: Cross multiply
    89,321.22x = 123,255.51 × 49,034.82
  4. Step 4: Simplify right side
    89,321.22x = 6,043,811,746.86
  5. Step 5: Solve for x
    x = 6,043,811,746.86/89,321.22
  6. Step 6: Final answer
    x = 67,663.78

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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.