Home / 68,944.77-95,144.15-38,731.37

Finding the Fourth Proportional to 68,944.77, 95,144.15 and 38,731.37

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Solution

The fourth proportional to 68,944.77, 95,144.15 and 38,731.37 is: 53,449.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,944.77 : 95,144.15 = 38,731.37 : x
  2. Step 2: Convert to fraction form
    68,944.77/95,144.15 = 38,731.37/x
  3. Step 3: Cross multiply
    68,944.77x = 95,144.15 × 38,731.37
  4. Step 4: Simplify right side
    68,944.77x = 3,685,062,898.09
  5. Step 5: Solve for x
    x = 3,685,062,898.09/68,944.77
  6. Step 6: Final answer
    x = 53,449.49

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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.