Home / 89,299.82-123,235.26-49,017.36

Finding the Fourth Proportional to 89,299.82, 123,235.26 and 49,017.36

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Solution

The fourth proportional to 89,299.82, 123,235.26 and 49,017.36 is: 67,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299.82 : 123,235.26 = 49,017.36 : x
  2. Step 2: Convert to fraction form
    89,299.82/123,235.26 = 49,017.36/x
  3. Step 3: Cross multiply
    89,299.82x = 123,235.26 × 49,017.36
  4. Step 4: Simplify right side
    89,299.82x = 6,040,667,104.11
  5. Step 5: Solve for x
    x = 6,040,667,104.11/89,299.82
  6. Step 6: Final answer
    x = 67,644.78

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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.