Home / 80,556.67-111,160.20-48,282.76

Finding the Fourth Proportional to 80,556.67, 111,160.20 and 48,282.76

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Solution

The fourth proportional to 80,556.67, 111,160.20 and 48,282.76 is: 66,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,556.67 : 111,160.20 = 48,282.76 : x
  2. Step 2: Convert to fraction form
    80,556.67/111,160.20 = 48,282.76/x
  3. Step 3: Cross multiply
    80,556.67x = 111,160.20 × 48,282.76
  4. Step 4: Simplify right side
    80,556.67x = 5,367,121,258.15
  5. Step 5: Solve for x
    x = 5,367,121,258.15/80,556.67
  6. Step 6: Final answer
    x = 66,625.41

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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.