Home / 72,204.14-108,324.66-27,819

Finding the Fourth Proportional to 72,204.14, 108,324.66 and 27,819

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Solution

The fourth proportional to 72,204.14, 108,324.66 and 27,819 is: 41,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,204.14 : 108,324.66 = 27,819 : x
  2. Step 2: Convert to fraction form
    72,204.14/108,324.66 = 27,819/x
  3. Step 3: Cross multiply
    72,204.14x = 108,324.66 × 27,819
  4. Step 4: Simplify right side
    72,204.14x = 3,013,483,716.54
  5. Step 5: Solve for x
    x = 3,013,483,716.54/72,204.14
  6. Step 6: Final answer
    x = 41,735.61

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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.