Home / 80,078.52-120,076.92-26,751.27

Finding the Fourth Proportional to 80,078.52, 120,076.92 and 26,751.27

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Solution

The fourth proportional to 80,078.52, 120,076.92 and 26,751.27 is: 40,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,078.52 : 120,076.92 = 26,751.27 : x
  2. Step 2: Convert to fraction form
    80,078.52/120,076.92 = 26,751.27/x
  3. Step 3: Cross multiply
    80,078.52x = 120,076.92 × 26,751.27
  4. Step 4: Simplify right side
    80,078.52x = 3,212,210,107.69
  5. Step 5: Solve for x
    x = 3,212,210,107.69/80,078.52
  6. Step 6: Final answer
    x = 40,113.26

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1.5x scale

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.