Home / 89,605.14-123,654.14-49,318.04

Finding the Fourth Proportional to 89,605.14, 123,654.14 and 49,318.04

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Solution

The fourth proportional to 89,605.14, 123,654.14 and 49,318.04 is: 68,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,605.14 : 123,654.14 = 49,318.04 : x
  2. Step 2: Convert to fraction form
    89,605.14/123,654.14 = 49,318.04/x
  3. Step 3: Cross multiply
    89,605.14x = 123,654.14 × 49,318.04
  4. Step 4: Simplify right side
    89,605.14x = 6,098,379,822.69
  5. Step 5: Solve for x
    x = 6,098,379,822.69/89,605.14
  6. Step 6: Final answer
    x = 68,058.37

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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.