Home / 68,948.24-95,143.44-38,738.59

Finding the Fourth Proportional to 68,948.24, 95,143.44 and 38,738.59

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Solution

The fourth proportional to 68,948.24, 95,143.44 and 38,738.59 is: 53,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,948.24 : 95,143.44 = 38,738.59 : x
  2. Step 2: Convert to fraction form
    68,948.24/95,143.44 = 38,738.59/x
  3. Step 3: Cross multiply
    68,948.24x = 95,143.44 × 38,738.59
  4. Step 4: Simplify right side
    68,948.24x = 3,685,722,713.35
  5. Step 5: Solve for x
    x = 3,685,722,713.35/68,948.24
  6. Step 6: Final answer
    x = 53,456.37

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1.5x scale

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.