Home / 122,468.11-168,996.92-68,761.35

Finding the Fourth Proportional to 122,468.11, 168,996.92 and 68,761.35

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Solution

The fourth proportional to 122,468.11, 168,996.92 and 68,761.35 is: 94,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,468.11 : 168,996.92 = 68,761.35 : x
  2. Step 2: Convert to fraction form
    122,468.11/168,996.92 = 68,761.35/x
  3. Step 3: Cross multiply
    122,468.11x = 168,996.92 × 68,761.35
  4. Step 4: Simplify right side
    122,468.11x = 11,620,456,021.24
  5. Step 5: Solve for x
    x = 11,620,456,021.24/122,468.11
  6. Step 6: Final answer
    x = 94,885.57

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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.