Home / 49,868.12-69,109.16-48,921.92

Finding the Fourth Proportional to 49,868.12, 69,109.16 and 48,921.92

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Solution

The fourth proportional to 49,868.12, 69,109.16 and 48,921.92 is: 67,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.12 : 69,109.16 = 48,921.92 : x
  2. Step 2: Convert to fraction form
    49,868.12/69,109.16 = 48,921.92/x
  3. Step 3: Cross multiply
    49,868.12x = 69,109.16 × 48,921.92
  4. Step 4: Simplify right side
    49,868.12x = 3,380,952,796.79
  5. Step 5: Solve for x
    x = 3,380,952,796.79/49,868.12
  6. Step 6: Final answer
    x = 67,797.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.