Home / 87,265.44-120,422.16-49,534.56

Finding the Fourth Proportional to 87,265.44, 120,422.16 and 49,534.56

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Solution

The fourth proportional to 87,265.44, 120,422.16 and 49,534.56 is: 68,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,265.44 : 120,422.16 = 49,534.56 : x
  2. Step 2: Convert to fraction form
    87,265.44/120,422.16 = 49,534.56/x
  3. Step 3: Cross multiply
    87,265.44x = 120,422.16 × 49,534.56
  4. Step 4: Simplify right side
    87,265.44x = 5,965,058,709.85
  5. Step 5: Solve for x
    x = 5,965,058,709.85/87,265.44
  6. Step 6: Final answer
    x = 68,355.34

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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.