Home / 68,939.91-95,122.32-40,246.54

Finding the Fourth Proportional to 68,939.91, 95,122.32 and 40,246.54

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Solution

The fourth proportional to 68,939.91, 95,122.32 and 40,246.54 is: 55,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939.91 : 95,122.32 = 40,246.54 : x
  2. Step 2: Convert to fraction form
    68,939.91/95,122.32 = 40,246.54/x
  3. Step 3: Cross multiply
    68,939.91x = 95,122.32 × 40,246.54
  4. Step 4: Simplify right side
    68,939.91x = 3,828,343,868.04
  5. Step 5: Solve for x
    x = 3,828,343,868.04/68,939.91
  6. Step 6: Final answer
    x = 55,531.61

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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.