Home / 121,351.80-167,445.18-67,625.04

Finding the Fourth Proportional to 121,351.80, 167,445.18 and 67,625.04

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Solution

The fourth proportional to 121,351.80, 167,445.18 and 67,625.04 is: 93,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,351.80 : 167,445.18 = 67,625.04 : x
  2. Step 2: Convert to fraction form
    121,351.80/167,445.18 = 67,625.04/x
  3. Step 3: Cross multiply
    121,351.80x = 167,445.18 × 67,625.04
  4. Step 4: Simplify right side
    121,351.80x = 11,323,486,995.31
  5. Step 5: Solve for x
    x = 11,323,486,995.31/121,351.80
  6. Step 6: Final answer
    x = 93,311.24

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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.