Home / 122,517.03-169,072.83-68,806.74

Finding the Fourth Proportional to 122,517.03, 169,072.83 and 68,806.74

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Solution

The fourth proportional to 122,517.03, 169,072.83 and 68,806.74 is: 94,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517.03 : 169,072.83 = 68,806.74 : x
  2. Step 2: Convert to fraction form
    122,517.03/169,072.83 = 68,806.74/x
  3. Step 3: Cross multiply
    122,517.03x = 169,072.83 × 68,806.74
  4. Step 4: Simplify right side
    122,517.03x = 11,633,350,254.87
  5. Step 5: Solve for x
    x = 11,633,350,254.87/122,517.03
  6. Step 6: Final answer
    x = 94,952.92

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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.