Home / 121,620.06-167,833.94-67,905.92

Finding the Fourth Proportional to 121,620.06, 167,833.94 and 67,905.92

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Solution

The fourth proportional to 121,620.06, 167,833.94 and 67,905.92 is: 93,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,620.06 : 167,833.94 = 67,905.92 : x
  2. Step 2: Convert to fraction form
    121,620.06/167,833.94 = 67,905.92/x
  3. Step 3: Cross multiply
    121,620.06x = 167,833.94 × 67,905.92
  4. Step 4: Simplify right side
    121,620.06x = 11,396,918,102.92
  5. Step 5: Solve for x
    x = 11,396,918,102.92/121,620.06
  6. Step 6: Final answer
    x = 93,709.20

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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.