Home / 66,169.27-99,198.09-28,701.12

Finding the Fourth Proportional to 66,169.27, 99,198.09 and 28,701.12

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Solution

The fourth proportional to 66,169.27, 99,198.09 and 28,701.12 is: 43,027.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.27 : 99,198.09 = 28,701.12 : x
  2. Step 2: Convert to fraction form
    66,169.27/99,198.09 = 28,701.12/x
  3. Step 3: Cross multiply
    66,169.27x = 99,198.09 × 28,701.12
  4. Step 4: Simplify right side
    66,169.27x = 2,847,096,284.86
  5. Step 5: Solve for x
    x = 2,847,096,284.86/66,169.27
  6. Step 6: Final answer
    x = 43,027.47

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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.