Home / 80,667.12-120,926.88-33,923.28

Finding the Fourth Proportional to 80,667.12, 120,926.88 and 33,923.28

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Solution

The fourth proportional to 80,667.12, 120,926.88 and 33,923.28 is: 50,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,667.12 : 120,926.88 = 33,923.28 : x
  2. Step 2: Convert to fraction form
    80,667.12/120,926.88 = 33,923.28/x
  3. Step 3: Cross multiply
    80,667.12x = 120,926.88 × 33,923.28
  4. Step 4: Simplify right side
    80,667.12x = 4,102,236,409.77
  5. Step 5: Solve for x
    x = 4,102,236,409.77/80,667.12
  6. Step 6: Final answer
    x = 50,853.88

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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.