Home / 122,271.72-168,734.94-68,556.73

Finding the Fourth Proportional to 122,271.72, 168,734.94 and 68,556.73

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Solution

The fourth proportional to 122,271.72, 168,734.94 and 68,556.73 is: 94,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,271.72 : 168,734.94 = 68,556.73 : x
  2. Step 2: Convert to fraction form
    122,271.72/168,734.94 = 68,556.73/x
  3. Step 3: Cross multiply
    122,271.72x = 168,734.94 × 68,556.73
  4. Step 4: Simplify right side
    122,271.72x = 11,567,915,723.15
  5. Step 5: Solve for x
    x = 11,567,915,723.15/122,271.72
  6. Step 6: Final answer
    x = 94,608.27

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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.