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Finding the Fourth Proportional to 80,020.87, 110,419.39 and 44,208.74

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Solution

The fourth proportional to 80,020.87, 110,419.39 and 44,208.74 is: 61,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,020.87 : 110,419.39 = 44,208.74 : x
  2. Step 2: Convert to fraction form
    80,020.87/110,419.39 = 44,208.74/x
  3. Step 3: Cross multiply
    80,020.87x = 110,419.39 × 44,208.74
  4. Step 4: Simplify right side
    80,020.87x = 4,881,502,186.10
  5. Step 5: Solve for x
    x = 4,881,502,186.10/80,020.87
  6. Step 6: Final answer
    x = 61,002.87

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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.