Home / 121,083.20-167,102.81-67,368.33

Finding the Fourth Proportional to 121,083.20, 167,102.81 and 67,368.33

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Solution

The fourth proportional to 121,083.20, 167,102.81 and 67,368.33 is: 92,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,083.20 : 167,102.81 = 67,368.33 : x
  2. Step 2: Convert to fraction form
    121,083.20/167,102.81 = 67,368.33/x
  3. Step 3: Cross multiply
    121,083.20x = 167,102.81 × 67,368.33
  4. Step 4: Simplify right side
    121,083.20x = 11,257,436,911.17
  5. Step 5: Solve for x
    x = 11,257,436,911.17/121,083.20
  6. Step 6: Final answer
    x = 92,972.74

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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.