Home / 121,092.26-167,108.14-67,379.54

Finding the Fourth Proportional to 121,092.26, 167,108.14 and 67,379.54

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Solution

The fourth proportional to 121,092.26, 167,108.14 and 67,379.54 is: 92,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,092.26 : 167,108.14 = 67,379.54 : x
  2. Step 2: Convert to fraction form
    121,092.26/167,108.14 = 67,379.54/x
  3. Step 3: Cross multiply
    121,092.26x = 167,108.14 × 67,379.54
  4. Step 4: Simplify right side
    121,092.26x = 11,259,669,603.46
  5. Step 5: Solve for x
    x = 11,259,669,603.46/121,092.26
  6. Step 6: Final answer
    x = 92,984.22

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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.