Home / 79,365.70-109,524.32-43,556.29

Finding the Fourth Proportional to 79,365.70, 109,524.32 and 43,556.29

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Solution

The fourth proportional to 79,365.70, 109,524.32 and 43,556.29 is: 60,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.70 : 109,524.32 = 43,556.29 : x
  2. Step 2: Convert to fraction form
    79,365.70/109,524.32 = 43,556.29/x
  3. Step 3: Cross multiply
    79,365.70x = 109,524.32 × 43,556.29
  4. Step 4: Simplify right side
    79,365.70x = 4,770,472,278.57
  5. Step 5: Solve for x
    x = 4,770,472,278.57/79,365.70
  6. Step 6: Final answer
    x = 60,107.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.