Home / 72,183.21-108,296.69-32,729.73

Finding the Fourth Proportional to 72,183.21, 108,296.69 and 32,729.73

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Solution

The fourth proportional to 72,183.21, 108,296.69 and 32,729.73 is: 49,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183.21 : 108,296.69 = 32,729.73 : x
  2. Step 2: Convert to fraction form
    72,183.21/108,296.69 = 32,729.73/x
  3. Step 3: Cross multiply
    72,183.21x = 108,296.69 × 32,729.73
  4. Step 4: Simplify right side
    72,183.21x = 3,544,521,423.59
  5. Step 5: Solve for x
    x = 3,544,521,423.59/72,183.21
  6. Step 6: Final answer
    x = 49,104.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.