Home / 66,183.52-91,335.27-40,704.85

Finding the Fourth Proportional to 66,183.52, 91,335.27 and 40,704.85

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Solution

The fourth proportional to 66,183.52, 91,335.27 and 40,704.85 is: 56,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,183.52 : 91,335.27 = 40,704.85 : x
  2. Step 2: Convert to fraction form
    66,183.52/91,335.27 = 40,704.85/x
  3. Step 3: Cross multiply
    66,183.52x = 91,335.27 × 40,704.85
  4. Step 4: Simplify right side
    66,183.52x = 3,717,788,874.27
  5. Step 5: Solve for x
    x = 3,717,788,874.27/66,183.52
  6. Step 6: Final answer
    x = 56,173.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.