Home / 74,181.44-111,286.74-27,434.72

Finding the Fourth Proportional to 74,181.44, 111,286.74 and 27,434.72

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Solution

The fourth proportional to 74,181.44, 111,286.74 and 27,434.72 is: 41,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.44 : 111,286.74 = 27,434.72 : x
  2. Step 2: Convert to fraction form
    74,181.44/111,286.74 = 27,434.72/x
  3. Step 3: Cross multiply
    74,181.44x = 111,286.74 × 27,434.72
  4. Step 4: Simplify right side
    74,181.44x = 3,053,120,551.61
  5. Step 5: Solve for x
    x = 3,053,120,551.61/74,181.44
  6. Step 6: Final answer
    x = 41,157.47

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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.