Home / 57,171.58-85,786.66-27,219.72

Finding the Fourth Proportional to 57,171.58, 85,786.66 and 27,219.72

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Solution

The fourth proportional to 57,171.58, 85,786.66 and 27,219.72 is: 40,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.58 : 85,786.66 = 27,219.72 : x
  2. Step 2: Convert to fraction form
    57,171.58/85,786.66 = 27,219.72/x
  3. Step 3: Cross multiply
    57,171.58x = 85,786.66 × 27,219.72
  4. Step 4: Simplify right side
    57,171.58x = 2,335,088,864.94
  5. Step 5: Solve for x
    x = 2,335,088,864.94/57,171.58
  6. Step 6: Final answer
    x = 40,843.53

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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.