Home / 89,781.14-123,898.82-49,496.33

Finding the Fourth Proportional to 89,781.14, 123,898.82 and 49,496.33

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Solution

The fourth proportional to 89,781.14, 123,898.82 and 49,496.33 is: 68,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,781.14 : 123,898.82 = 49,496.33 : x
  2. Step 2: Convert to fraction form
    89,781.14/123,898.82 = 49,496.33/x
  3. Step 3: Cross multiply
    89,781.14x = 123,898.82 × 49,496.33
  4. Step 4: Simplify right side
    89,781.14x = 6,132,536,943.60
  5. Step 5: Solve for x
    x = 6,132,536,943.60/89,781.14
  6. Step 6: Final answer
    x = 68,305.40

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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.