Home / 121,084.26-167,097.11-67,371.54

Finding the Fourth Proportional to 121,084.26, 167,097.11 and 67,371.54

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Solution

The fourth proportional to 121,084.26, 167,097.11 and 67,371.54 is: 92,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,084.26 : 167,097.11 = 67,371.54 : x
  2. Step 2: Convert to fraction form
    121,084.26/167,097.11 = 67,371.54/x
  3. Step 3: Cross multiply
    121,084.26x = 167,097.11 × 67,371.54
  4. Step 4: Simplify right side
    121,084.26x = 11,257,589,293.39
  5. Step 5: Solve for x
    x = 11,257,589,293.39/121,084.26
  6. Step 6: Final answer
    x = 92,973.18

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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.