Home / 66,169.53-99,198.48-28,701.40

Finding the Fourth Proportional to 66,169.53, 99,198.48 and 28,701.40

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Solution

The fourth proportional to 66,169.53, 99,198.48 and 28,701.40 is: 43,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.53 : 99,198.48 = 28,701.40 : x
  2. Step 2: Convert to fraction form
    66,169.53/99,198.48 = 28,701.40/x
  3. Step 3: Cross multiply
    66,169.53x = 99,198.48 × 28,701.40
  4. Step 4: Simplify right side
    66,169.53x = 2,847,135,005.88
  5. Step 5: Solve for x
    x = 2,847,135,005.88/66,169.53
  6. Step 6: Final answer
    x = 43,027.89

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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.