Home / 80,717.00-111,444.32-50,514.53

Finding the Fourth Proportional to 80,717.00, 111,444.32 and 50,514.53

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Solution

The fourth proportional to 80,717.00, 111,444.32 and 50,514.53 is: 69,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,717.00 : 111,444.32 = 50,514.53 : x
  2. Step 2: Convert to fraction form
    80,717.00/111,444.32 = 50,514.53/x
  3. Step 3: Cross multiply
    80,717.00x = 111,444.32 × 50,514.53
  4. Step 4: Simplify right side
    80,717.00x = 5,629,557,015.03
  5. Step 5: Solve for x
    x = 5,629,557,015.03/80,717.00
  6. Step 6: Final answer
    x = 69,744.38

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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.