Home / 81,179.55-111,955.17-50,967.66

Finding the Fourth Proportional to 81,179.55, 111,955.17 and 50,967.66

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Solution

The fourth proportional to 81,179.55, 111,955.17 and 50,967.66 is: 70,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,179.55 : 111,955.17 = 50,967.66 : x
  2. Step 2: Convert to fraction form
    81,179.55/111,955.17 = 50,967.66/x
  3. Step 3: Cross multiply
    81,179.55x = 111,955.17 × 50,967.66
  4. Step 4: Simplify right side
    81,179.55x = 5,706,093,039.80
  5. Step 5: Solve for x
    x = 5,706,093,039.80/81,179.55
  6. Step 6: Final answer
    x = 70,289.78

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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.