Home / 73,717.20-101,729.73-40,183.20

Finding the Fourth Proportional to 73,717.20, 101,729.73 and 40,183.20

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Solution

The fourth proportional to 73,717.20, 101,729.73 and 40,183.20 is: 55,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,717.20 : 101,729.73 = 40,183.20 : x
  2. Step 2: Convert to fraction form
    73,717.20/101,729.73 = 40,183.20/x
  3. Step 3: Cross multiply
    73,717.20x = 101,729.73 × 40,183.20
  4. Step 4: Simplify right side
    73,717.20x = 4,087,826,086.54
  5. Step 5: Solve for x
    x = 4,087,826,086.54/73,717.20
  6. Step 6: Final answer
    x = 55,452.81

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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.