Home / 72,164.36-108,218.85-24,770.62

Finding the Fourth Proportional to 72,164.36, 108,218.85 and 24,770.62

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Solution

The fourth proportional to 72,164.36, 108,218.85 and 24,770.62 is: 37,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,164.36 : 108,218.85 = 24,770.62 : x
  2. Step 2: Convert to fraction form
    72,164.36/108,218.85 = 24,770.62/x
  3. Step 3: Cross multiply
    72,164.36x = 108,218.85 × 24,770.62
  4. Step 4: Simplify right side
    72,164.36x = 2,680,647,469.09
  5. Step 5: Solve for x
    x = 2,680,647,469.09/72,164.36
  6. Step 6: Final answer
    x = 37,146.42

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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.