Home / 73,222.10-109,853.82-20,632.04

Finding the Fourth Proportional to 73,222.10, 109,853.82 and 20,632.04

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Solution

The fourth proportional to 73,222.10, 109,853.82 and 20,632.04 is: 30,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222.10 : 109,853.82 = 20,632.04 : x
  2. Step 2: Convert to fraction form
    73,222.10/109,853.82 = 20,632.04/x
  3. Step 3: Cross multiply
    73,222.10x = 109,853.82 × 20,632.04
  4. Step 4: Simplify right side
    73,222.10x = 2,266,508,408.39
  5. Step 5: Solve for x
    x = 2,266,508,408.39/73,222.10
  6. Step 6: Final answer
    x = 30,953.88

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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.