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Finding the Fourth Proportional to 80,802, 111,504.51 and 44,991.99

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Solution

The fourth proportional to 80,802, 111,504.51 and 44,991.99 is: 62,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,802 : 111,504.51 = 44,991.99 : x
  2. Step 2: Convert to fraction form
    80,802/111,504.51 = 44,991.99/x
  3. Step 3: Cross multiply
    80,802x = 111,504.51 × 44,991.99
  4. Step 4: Simplify right side
    80,802x = 5,016,809,798.87
  5. Step 5: Solve for x
    x = 5,016,809,798.87/80,802
  6. Step 6: Final answer
    x = 62,087.69

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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.