Home / 122,610.09-169,217.04-68,893.94

Finding the Fourth Proportional to 122,610.09, 169,217.04 and 68,893.94

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Solution

The fourth proportional to 122,610.09, 169,217.04 and 68,893.94 is: 95,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,610.09 : 169,217.04 = 68,893.94 : x
  2. Step 2: Convert to fraction form
    122,610.09/169,217.04 = 68,893.94/x
  3. Step 3: Cross multiply
    122,610.09x = 169,217.04 × 68,893.94
  4. Step 4: Simplify right side
    122,610.09x = 11,658,028,177.70
  5. Step 5: Solve for x
    x = 11,658,028,177.70/122,610.09
  6. Step 6: Final answer
    x = 95,082.13

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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.