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Finding the Fourth Proportional to 84,107.49, 126,018.42 and 50,757.48

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Solution

The fourth proportional to 84,107.49, 126,018.42 and 50,757.48 is: 76,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,107.49 : 126,018.42 = 50,757.48 : x
  2. Step 2: Convert to fraction form
    84,107.49/126,018.42 = 50,757.48/x
  3. Step 3: Cross multiply
    84,107.49x = 126,018.42 × 50,757.48
  4. Step 4: Simplify right side
    84,107.49x = 6,396,377,432.78
  5. Step 5: Solve for x
    x = 6,396,377,432.78/84,107.49
  6. Step 6: Final answer
    x = 76,050.03

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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.