Home / 84,581.92-126,883.32-27,654.49

Finding the Fourth Proportional to 84,581.92, 126,883.32 and 27,654.49

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Solution

The fourth proportional to 84,581.92, 126,883.32 and 27,654.49 is: 41,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,581.92 : 126,883.32 = 27,654.49 : x
  2. Step 2: Convert to fraction form
    84,581.92/126,883.32 = 27,654.49/x
  3. Step 3: Cross multiply
    84,581.92x = 126,883.32 × 27,654.49
  4. Step 4: Simplify right side
    84,581.92x = 3,508,893,504.11
  5. Step 5: Solve for x
    x = 3,508,893,504.11/84,581.92
  6. Step 6: Final answer
    x = 41,485.15

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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.