Home / 89,995.28-124,201.16-49,713.44

Finding the Fourth Proportional to 89,995.28, 124,201.16 and 49,713.44

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Solution

The fourth proportional to 89,995.28, 124,201.16 and 49,713.44 is: 68,608.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,995.28 : 124,201.16 = 49,713.44 : x
  2. Step 2: Convert to fraction form
    89,995.28/124,201.16 = 49,713.44/x
  3. Step 3: Cross multiply
    89,995.28x = 124,201.16 × 49,713.44
  4. Step 4: Simplify right side
    89,995.28x = 6,174,466,046.02
  5. Step 5: Solve for x
    x = 6,174,466,046.02/89,995.28
  6. Step 6: Final answer
    x = 68,608.78

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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.