Home / 121,507.22-167,679.44-67,792.28

Finding the Fourth Proportional to 121,507.22, 167,679.44 and 67,792.28

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Solution

The fourth proportional to 121,507.22, 167,679.44 and 67,792.28 is: 93,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,507.22 : 167,679.44 = 67,792.28 : x
  2. Step 2: Convert to fraction form
    121,507.22/167,679.44 = 67,792.28/x
  3. Step 3: Cross multiply
    121,507.22x = 167,679.44 × 67,792.28
  4. Step 4: Simplify right side
    121,507.22x = 11,367,371,546.72
  5. Step 5: Solve for x
    x = 11,367,371,546.72/121,507.22
  6. Step 6: Final answer
    x = 93,553.05

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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.