Home / 73,318.23-109,983.76-20,727.73

Finding the Fourth Proportional to 73,318.23, 109,983.76 and 20,727.73

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Solution

The fourth proportional to 73,318.23, 109,983.76 and 20,727.73 is: 31,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.23 : 109,983.76 = 20,727.73 : x
  2. Step 2: Convert to fraction form
    73,318.23/109,983.76 = 20,727.73/x
  3. Step 3: Cross multiply
    73,318.23x = 109,983.76 × 20,727.73
  4. Step 4: Simplify right side
    73,318.23x = 2,279,713,767.33
  5. Step 5: Solve for x
    x = 2,279,713,767.33/73,318.23
  6. Step 6: Final answer
    x = 31,093.41

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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.