Home / 79,226.64-118,556.73-68,819.22

Finding the Fourth Proportional to 79,226.64, 118,556.73 and 68,819.22

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Solution

The fourth proportional to 79,226.64, 118,556.73 and 68,819.22 is: 102,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,226.64 : 118,556.73 = 68,819.22 : x
  2. Step 2: Convert to fraction form
    79,226.64/118,556.73 = 68,819.22/x
  3. Step 3: Cross multiply
    79,226.64x = 118,556.73 × 68,819.22
  4. Step 4: Simplify right side
    79,226.64x = 8,158,981,684.35
  5. Step 5: Solve for x
    x = 8,158,981,684.35/79,226.64
  6. Step 6: Final answer
    x = 102,982.81

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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.