Home / 72,006.35-107,906.58-52,880.97

Finding the Fourth Proportional to 72,006.35, 107,906.58 and 52,880.97

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Solution

The fourth proportional to 72,006.35, 107,906.58 and 52,880.97 is: 79,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,006.35 : 107,906.58 = 52,880.97 : x
  2. Step 2: Convert to fraction form
    72,006.35/107,906.58 = 52,880.97/x
  3. Step 3: Cross multiply
    72,006.35x = 107,906.58 × 52,880.97
  4. Step 4: Simplify right side
    72,006.35x = 5,706,204,619.78
  5. Step 5: Solve for x
    x = 5,706,204,619.78/72,006.35
  6. Step 6: Final answer
    x = 79,245.86

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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.