Home / 68,872.26-95,016.60-39,785.16

Finding the Fourth Proportional to 68,872.26, 95,016.60 and 39,785.16

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Solution

The fourth proportional to 68,872.26, 95,016.60 and 39,785.16 is: 54,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,872.26 : 95,016.60 = 39,785.16 : x
  2. Step 2: Convert to fraction form
    68,872.26/95,016.60 = 39,785.16/x
  3. Step 3: Cross multiply
    68,872.26x = 95,016.60 × 39,785.16
  4. Step 4: Simplify right side
    68,872.26x = 3,780,250,633.66
  5. Step 5: Solve for x
    x = 3,780,250,633.66/68,872.26
  6. Step 6: Final answer
    x = 54,887.86

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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.