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Finding the Fourth Proportional to 84,029.03, 126,063.15 and 27,865.03

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Solution

The fourth proportional to 84,029.03, 126,063.15 and 27,865.03 is: 41,804.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,029.03 : 126,063.15 = 27,865.03 : x
  2. Step 2: Convert to fraction form
    84,029.03/126,063.15 = 27,865.03/x
  3. Step 3: Cross multiply
    84,029.03x = 126,063.15 × 27,865.03
  4. Step 4: Simplify right side
    84,029.03x = 3,512,753,211.15
  5. Step 5: Solve for x
    x = 3,512,753,211.15/84,029.03
  6. Step 6: Final answer
    x = 41,804.04

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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.