Home / 71,475.32-107,198.40-27,086.78

Finding the Fourth Proportional to 71,475.32, 107,198.40 and 27,086.78

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Solution

The fourth proportional to 71,475.32, 107,198.40 and 27,086.78 is: 40,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,475.32 : 107,198.40 = 27,086.78 : x
  2. Step 2: Convert to fraction form
    71,475.32/107,198.40 = 27,086.78/x
  3. Step 3: Cross multiply
    71,475.32x = 107,198.40 × 27,086.78
  4. Step 4: Simplify right side
    71,475.32x = 2,903,659,477.15
  5. Step 5: Solve for x
    x = 2,903,659,477.15/71,475.32
  6. Step 6: Final answer
    x = 40,624.64

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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.