Home / 79,921.64-119,935.92-33,174.56

Finding the Fourth Proportional to 79,921.64, 119,935.92 and 33,174.56

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Solution

The fourth proportional to 79,921.64, 119,935.92 and 33,174.56 is: 49,784.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921.64 : 119,935.92 = 33,174.56 : x
  2. Step 2: Convert to fraction form
    79,921.64/119,935.92 = 33,174.56/x
  3. Step 3: Cross multiply
    79,921.64x = 119,935.92 × 33,174.56
  4. Step 4: Simplify right side
    79,921.64x = 3,978,821,374.20
  5. Step 5: Solve for x
    x = 3,978,821,374.20/79,921.64
  6. Step 6: Final answer
    x = 49,784.03

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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.