Home / 89,951.27-124,137.59-49,664.88

Finding the Fourth Proportional to 89,951.27, 124,137.59 and 49,664.88

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Solution

The fourth proportional to 89,951.27, 124,137.59 and 49,664.88 is: 68,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,951.27 : 124,137.59 = 49,664.88 : x
  2. Step 2: Convert to fraction form
    89,951.27/124,137.59 = 49,664.88/x
  3. Step 3: Cross multiply
    89,951.27x = 124,137.59 × 49,664.88
  4. Step 4: Simplify right side
    89,951.27x = 6,165,278,262.51
  5. Step 5: Solve for x
    x = 6,165,278,262.51/89,951.27
  6. Step 6: Final answer
    x = 68,540.21

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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.