Home / 89,964.22-124,149.96-49,677.97

Finding the Fourth Proportional to 89,964.22, 124,149.96 and 49,677.97

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Solution

The fourth proportional to 89,964.22, 124,149.96 and 49,677.97 is: 68,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,964.22 : 124,149.96 = 49,677.97 : x
  2. Step 2: Convert to fraction form
    89,964.22/124,149.96 = 49,677.97/x
  3. Step 3: Cross multiply
    89,964.22x = 124,149.96 × 49,677.97
  4. Step 4: Simplify right side
    89,964.22x = 6,167,517,988.38
  5. Step 5: Solve for x
    x = 6,167,517,988.38/89,964.22
  6. Step 6: Final answer
    x = 68,555.23

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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.