Home / 49,867.12-69,107.77-48,920.92

Finding the Fourth Proportional to 49,867.12, 69,107.77 and 48,920.92

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Solution

The fourth proportional to 49,867.12, 69,107.77 and 48,920.92 is: 67,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,867.12 : 69,107.77 = 48,920.92 : x
  2. Step 2: Convert to fraction form
    49,867.12/69,107.77 = 48,920.92/x
  3. Step 3: Cross multiply
    49,867.12x = 69,107.77 × 48,920.92
  4. Step 4: Simplify right side
    49,867.12x = 3,380,815,687.55
  5. Step 5: Solve for x
    x = 3,380,815,687.55/49,867.12
  6. Step 6: Final answer
    x = 67,796.49

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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.