Home / 89,197.09-123,091.92-48,911.54

Finding the Fourth Proportional to 89,197.09, 123,091.92 and 48,911.54

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Solution

The fourth proportional to 89,197.09, 123,091.92 and 48,911.54 is: 67,497.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,197.09 : 123,091.92 = 48,911.54 : x
  2. Step 2: Convert to fraction form
    89,197.09/123,091.92 = 48,911.54/x
  3. Step 3: Cross multiply
    89,197.09x = 123,091.92 × 48,911.54
  4. Step 4: Simplify right side
    89,197.09x = 6,020,614,753.30
  5. Step 5: Solve for x
    x = 6,020,614,753.30/89,197.09
  6. Step 6: Final answer
    x = 67,497.88

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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.