Home / 80,556.87-111,150.59-48,725.09

Finding the Fourth Proportional to 80,556.87, 111,150.59 and 48,725.09

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Solution

The fourth proportional to 80,556.87, 111,150.59 and 48,725.09 is: 67,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,556.87 : 111,150.59 = 48,725.09 : x
  2. Step 2: Convert to fraction form
    80,556.87/111,150.59 = 48,725.09/x
  3. Step 3: Cross multiply
    80,556.87x = 111,150.59 × 48,725.09
  4. Step 4: Simplify right side
    80,556.87x = 5,415,821,701.92
  5. Step 5: Solve for x
    x = 5,415,821,701.92/80,556.87
  6. Step 6: Final answer
    x = 67,229.79

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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.