Home / 68,940.69-95,134.49-38,727.29

Finding the Fourth Proportional to 68,940.69, 95,134.49 and 38,727.29

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Solution

The fourth proportional to 68,940.69, 95,134.49 and 38,727.29 is: 53,441.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,940.69 : 95,134.49 = 38,727.29 : x
  2. Step 2: Convert to fraction form
    68,940.69/95,134.49 = 38,727.29/x
  3. Step 3: Cross multiply
    68,940.69x = 95,134.49 × 38,727.29
  4. Step 4: Simplify right side
    68,940.69x = 3,684,300,313.92
  5. Step 5: Solve for x
    x = 3,684,300,313.92/68,940.69
  6. Step 6: Final answer
    x = 53,441.59

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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.