Home / 121,469.12-167,627.58-67,020.02

Finding the Fourth Proportional to 121,469.12, 167,627.58 and 67,020.02

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Solution

The fourth proportional to 121,469.12, 167,627.58 and 67,020.02 is: 92,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,469.12 : 167,627.58 = 67,020.02 : x
  2. Step 2: Convert to fraction form
    121,469.12/167,627.58 = 67,020.02/x
  3. Step 3: Cross multiply
    121,469.12x = 167,627.58 × 67,020.02
  4. Step 4: Simplify right side
    121,469.12x = 11,234,403,764.15
  5. Step 5: Solve for x
    x = 11,234,403,764.15/121,469.12
  6. Step 6: Final answer
    x = 92,487.73

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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.