Home / 85,251.85-117,653.97-49,441.54

Finding the Fourth Proportional to 85,251.85, 117,653.97 and 49,441.54

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Solution

The fourth proportional to 85,251.85, 117,653.97 and 49,441.54 is: 68,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251.85 : 117,653.97 = 49,441.54 : x
  2. Step 2: Convert to fraction form
    85,251.85/117,653.97 = 49,441.54/x
  3. Step 3: Cross multiply
    85,251.85x = 117,653.97 × 49,441.54
  4. Step 4: Simplify right side
    85,251.85x = 5,816,992,628.44
  5. Step 5: Solve for x
    x = 5,816,992,628.44/85,251.85
  6. Step 6: Final answer
    x = 68,233.04

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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.