Home / 89,920.98-124,091.99-49,634.78

Finding the Fourth Proportional to 89,920.98, 124,091.99 and 49,634.78

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Solution

The fourth proportional to 89,920.98, 124,091.99 and 49,634.78 is: 68,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.98 : 124,091.99 = 49,634.78 : x
  2. Step 2: Convert to fraction form
    89,920.98/124,091.99 = 49,634.78/x
  3. Step 3: Cross multiply
    89,920.98x = 124,091.99 × 49,634.78
  4. Step 4: Simplify right side
    89,920.98x = 6,159,277,754.78
  5. Step 5: Solve for x
    x = 6,159,277,754.78/89,920.98
  6. Step 6: Final answer
    x = 68,496.56

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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.