Home / 89,540.15-123,562.80-49,253.91

Finding the Fourth Proportional to 89,540.15, 123,562.80 and 49,253.91

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Solution

The fourth proportional to 89,540.15, 123,562.80 and 49,253.91 is: 67,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,540.15 : 123,562.80 = 49,253.91 : x
  2. Step 2: Convert to fraction form
    89,540.15/123,562.80 = 49,253.91/x
  3. Step 3: Cross multiply
    89,540.15x = 123,562.80 × 49,253.91
  4. Step 4: Simplify right side
    89,540.15x = 6,085,950,567.19
  5. Step 5: Solve for x
    x = 6,085,950,567.19/89,540.15
  6. Step 6: Final answer
    x = 67,968.96

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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.