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Finding the Fourth Proportional to 80,559.98, 111,175.93 and 55,119.70

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Solution

The fourth proportional to 80,559.98, 111,175.93 and 55,119.70 is: 76,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559.98 : 111,175.93 = 55,119.70 : x
  2. Step 2: Convert to fraction form
    80,559.98/111,175.93 = 55,119.70/x
  3. Step 3: Cross multiply
    80,559.98x = 111,175.93 × 55,119.70
  4. Step 4: Simplify right side
    80,559.98x = 6,127,983,908.82
  5. Step 5: Solve for x
    x = 6,127,983,908.82/80,559.98
  6. Step 6: Final answer
    x = 76,067.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.