Home / 85,131.27-117,481.94-46,890.96

Finding the Fourth Proportional to 85,131.27, 117,481.94 and 46,890.96

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Solution

The fourth proportional to 85,131.27, 117,481.94 and 46,890.96 is: 64,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,131.27 : 117,481.94 = 46,890.96 : x
  2. Step 2: Convert to fraction form
    85,131.27/117,481.94 = 46,890.96/x
  3. Step 3: Cross multiply
    85,131.27x = 117,481.94 × 46,890.96
  4. Step 4: Simplify right side
    85,131.27x = 5,508,840,450.09
  5. Step 5: Solve for x
    x = 5,508,840,450.09/85,131.27
  6. Step 6: Final answer
    x = 64,709.95

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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.