Home / 53,072.62-73,240.21-29,198.78

Finding the Fourth Proportional to 53,072.62, 73,240.21 and 29,198.78

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Solution

The fourth proportional to 53,072.62, 73,240.21 and 29,198.78 is: 40,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.62 : 73,240.21 = 29,198.78 : x
  2. Step 2: Convert to fraction form
    53,072.62/73,240.21 = 29,198.78/x
  3. Step 3: Cross multiply
    53,072.62x = 73,240.21 × 29,198.78
  4. Step 4: Simplify right side
    53,072.62x = 2,138,524,778.94
  5. Step 5: Solve for x
    x = 2,138,524,778.94/53,072.62
  6. Step 6: Final answer
    x = 40,294.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.