Home / 80,816.82-111,519.23-45,010.16

Finding the Fourth Proportional to 80,816.82, 111,519.23 and 45,010.16

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Solution

The fourth proportional to 80,816.82, 111,519.23 and 45,010.16 is: 62,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,816.82 : 111,519.23 = 45,010.16 : x
  2. Step 2: Convert to fraction form
    80,816.82/111,519.23 = 45,010.16/x
  3. Step 3: Cross multiply
    80,816.82x = 111,519.23 × 45,010.16
  4. Step 4: Simplify right side
    80,816.82x = 5,019,498,418.97
  5. Step 5: Solve for x
    x = 5,019,498,418.97/80,816.82
  6. Step 6: Final answer
    x = 62,109.58

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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.