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Finding the Fourth Proportional to 84,097.92, 126,100.35 and 33,445.65

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Solution

The fourth proportional to 84,097.92, 126,100.35 and 33,445.65 is: 50,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,097.92 : 126,100.35 = 33,445.65 : x
  2. Step 2: Convert to fraction form
    84,097.92/126,100.35 = 33,445.65/x
  3. Step 3: Cross multiply
    84,097.92x = 126,100.35 × 33,445.65
  4. Step 4: Simplify right side
    84,097.92x = 4,217,508,170.98
  5. Step 5: Solve for x
    x = 4,217,508,170.98/84,097.92
  6. Step 6: Final answer
    x = 50,149.97

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1.5x scale

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.