Home / 61,174.19-91,751.40-16,790.55

Finding the Fourth Proportional to 61,174.19, 91,751.40 and 16,790.55

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Solution

The fourth proportional to 61,174.19, 91,751.40 and 16,790.55 is: 25,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,174.19 : 91,751.40 = 16,790.55 : x
  2. Step 2: Convert to fraction form
    61,174.19/91,751.40 = 16,790.55/x
  3. Step 3: Cross multiply
    61,174.19x = 91,751.40 × 16,790.55
  4. Step 4: Simplify right side
    61,174.19x = 1,540,556,469.27
  5. Step 5: Solve for x
    x = 1,540,556,469.27/61,174.19
  6. Step 6: Final answer
    x = 25,183.11

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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.