Home / 52,207.62-71,992.05-30,982.79

Finding the Fourth Proportional to 52,207.62, 71,992.05 and 30,982.79

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Solution

The fourth proportional to 52,207.62, 71,992.05 and 30,982.79 is: 42,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,207.62 : 71,992.05 = 30,982.79 : x
  2. Step 2: Convert to fraction form
    52,207.62/71,992.05 = 30,982.79/x
  3. Step 3: Cross multiply
    52,207.62x = 71,992.05 × 30,982.79
  4. Step 4: Simplify right side
    52,207.62x = 2,230,514,206.86
  5. Step 5: Solve for x
    x = 2,230,514,206.86/52,207.62
  6. Step 6: Final answer
    x = 42,723.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.