Home / 89,310.07-123,241.12-49,017.43

Finding the Fourth Proportional to 89,310.07, 123,241.12 and 49,017.43

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Solution

The fourth proportional to 89,310.07, 123,241.12 and 49,017.43 is: 67,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.07 : 123,241.12 = 49,017.43 : x
  2. Step 2: Convert to fraction form
    89,310.07/123,241.12 = 49,017.43/x
  3. Step 3: Cross multiply
    89,310.07x = 123,241.12 × 49,017.43
  4. Step 4: Simplify right side
    89,310.07x = 6,040,962,972.72
  5. Step 5: Solve for x
    x = 6,040,962,972.72/89,310.07
  6. Step 6: Final answer
    x = 67,640.33

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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.