Home / 66,183.72-99,286.56-30,680.64

Finding the Fourth Proportional to 66,183.72, 99,286.56 and 30,680.64

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Solution

The fourth proportional to 66,183.72, 99,286.56 and 30,680.64 is: 46,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,183.72 : 99,286.56 = 30,680.64 : x
  2. Step 2: Convert to fraction form
    66,183.72/99,286.56 = 30,680.64/x
  3. Step 3: Cross multiply
    66,183.72x = 99,286.56 × 30,680.64
  4. Step 4: Simplify right side
    66,183.72x = 3,046,175,204.20
  5. Step 5: Solve for x
    x = 3,046,175,204.20/66,183.72
  6. Step 6: Final answer
    x = 46,026.05

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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.