Home / 111,183.72-166,725.24-47,974.02

Finding the Fourth Proportional to 111,183.72, 166,725.24 and 47,974.02

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Solution

The fourth proportional to 111,183.72, 166,725.24 and 47,974.02 is: 71,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,183.72 : 166,725.24 = 47,974.02 : x
  2. Step 2: Convert to fraction form
    111,183.72/166,725.24 = 47,974.02/x
  3. Step 3: Cross multiply
    111,183.72x = 166,725.24 × 47,974.02
  4. Step 4: Simplify right side
    111,183.72x = 7,998,479,998.26
  5. Step 5: Solve for x
    x = 7,998,479,998.26/111,183.72
  6. Step 6: Final answer
    x = 71,939.31

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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.