Home / 67,110.62-100,685.37-27,647.42

Finding the Fourth Proportional to 67,110.62, 100,685.37 and 27,647.42

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Solution

The fourth proportional to 67,110.62, 100,685.37 and 27,647.42 is: 41,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,110.62 : 100,685.37 = 27,647.42 : x
  2. Step 2: Convert to fraction form
    67,110.62/100,685.37 = 27,647.42/x
  3. Step 3: Cross multiply
    67,110.62x = 100,685.37 × 27,647.42
  4. Step 4: Simplify right side
    67,110.62x = 2,783,690,712.25
  5. Step 5: Solve for x
    x = 2,783,690,712.25/67,110.62
  6. Step 6: Final answer
    x = 41,479.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.