Home / 89,199.75-123,076.38-51,452.13

Finding the Fourth Proportional to 89,199.75, 123,076.38 and 51,452.13

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Solution

The fourth proportional to 89,199.75, 123,076.38 and 51,452.13 is: 70,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,199.75 : 123,076.38 = 51,452.13 : x
  2. Step 2: Convert to fraction form
    89,199.75/123,076.38 = 51,452.13/x
  3. Step 3: Cross multiply
    89,199.75x = 123,076.38 × 51,452.13
  4. Step 4: Simplify right side
    89,199.75x = 6,332,541,903.69
  5. Step 5: Solve for x
    x = 6,332,541,903.69/89,199.75
  6. Step 6: Final answer
    x = 70,992.82

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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.