Home / 87,224.40-120,362.82-49,498.64

Finding the Fourth Proportional to 87,224.40, 120,362.82 and 49,498.64

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Solution

The fourth proportional to 87,224.40, 120,362.82 and 49,498.64 is: 68,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,224.40 : 120,362.82 = 49,498.64 : x
  2. Step 2: Convert to fraction form
    87,224.40/120,362.82 = 49,498.64/x
  3. Step 3: Cross multiply
    87,224.40x = 120,362.82 × 49,498.64
  4. Step 4: Simplify right side
    87,224.40x = 5,957,795,896.56
  5. Step 5: Solve for x
    x = 5,957,795,896.56/87,224.40
  6. Step 6: Final answer
    x = 68,304.23

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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.