Home / 81,923.45-122,727.72-50,241.12

Finding the Fourth Proportional to 81,923.45, 122,727.72 and 50,241.12

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Solution

The fourth proportional to 81,923.45, 122,727.72 and 50,241.12 is: 75,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,923.45 : 122,727.72 = 50,241.12 : x
  2. Step 2: Convert to fraction form
    81,923.45/122,727.72 = 50,241.12/x
  3. Step 3: Cross multiply
    81,923.45x = 122,727.72 × 50,241.12
  4. Step 4: Simplify right side
    81,923.45x = 6,165,978,107.85
  5. Step 5: Solve for x
    x = 6,165,978,107.85/81,923.45
  6. Step 6: Final answer
    x = 75,265.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.