Home / 68,976.65-95,231.34-45,143.61

Finding the Fourth Proportional to 68,976.65, 95,231.34 and 45,143.61

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Solution

The fourth proportional to 68,976.65, 95,231.34 and 45,143.61 is: 62,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,976.65 : 95,231.34 = 45,143.61 : x
  2. Step 2: Convert to fraction form
    68,976.65/95,231.34 = 45,143.61/x
  3. Step 3: Cross multiply
    68,976.65x = 95,231.34 × 45,143.61
  4. Step 4: Simplify right side
    68,976.65x = 4,299,086,472.74
  5. Step 5: Solve for x
    x = 4,299,086,472.74/68,976.65
  6. Step 6: Final answer
    x = 62,326.70

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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.