Home / 73,320.27-109,958.40-38,240.79

Finding the Fourth Proportional to 73,320.27, 109,958.40 and 38,240.79

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Solution

The fourth proportional to 73,320.27, 109,958.40 and 38,240.79 is: 57,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,320.27 : 109,958.40 = 38,240.79 : x
  2. Step 2: Convert to fraction form
    73,320.27/109,958.40 = 38,240.79/x
  3. Step 3: Cross multiply
    73,320.27x = 109,958.40 × 38,240.79
  4. Step 4: Simplify right side
    73,320.27x = 4,204,896,083.14
  5. Step 5: Solve for x
    x = 4,204,896,083.14/73,320.27
  6. Step 6: Final answer
    x = 57,349.71

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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.