Home / 80,936.80-111,763.28-50,773.96

Finding the Fourth Proportional to 80,936.80, 111,763.28 and 50,773.96

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Solution

The fourth proportional to 80,936.80, 111,763.28 and 50,773.96 is: 70,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,936.80 : 111,763.28 = 50,773.96 : x
  2. Step 2: Convert to fraction form
    80,936.80/111,763.28 = 50,773.96/x
  3. Step 3: Cross multiply
    80,936.80x = 111,763.28 × 50,773.96
  4. Step 4: Simplify right side
    80,936.80x = 5,674,664,308.19
  5. Step 5: Solve for x
    x = 5,674,664,308.19/80,936.80
  6. Step 6: Final answer
    x = 70,112.29

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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.