Home / 90,843.54-125,370.09-50,556.84

Finding the Fourth Proportional to 90,843.54, 125,370.09 and 50,556.84

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Solution

The fourth proportional to 90,843.54, 125,370.09 and 50,556.84 is: 69,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,843.54 : 125,370.09 = 50,556.84 : x
  2. Step 2: Convert to fraction form
    90,843.54/125,370.09 = 50,556.84/x
  3. Step 3: Cross multiply
    90,843.54x = 125,370.09 × 50,556.84
  4. Step 4: Simplify right side
    90,843.54x = 6,338,315,580.92
  5. Step 5: Solve for x
    x = 6,338,315,580.92/90,843.54
  6. Step 6: Final answer
    x = 69,771.78

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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.