Home / 121,093.76-167,110.20-67,381.04

Finding the Fourth Proportional to 121,093.76, 167,110.20 and 67,381.04

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Solution

The fourth proportional to 121,093.76, 167,110.20 and 67,381.04 is: 92,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,093.76 : 167,110.20 = 67,381.04 : x
  2. Step 2: Convert to fraction form
    121,093.76/167,110.20 = 67,381.04/x
  3. Step 3: Cross multiply
    121,093.76x = 167,110.20 × 67,381.04
  4. Step 4: Simplify right side
    121,093.76x = 11,260,059,070.61
  5. Step 5: Solve for x
    x = 11,260,059,070.61/121,093.76
  6. Step 6: Final answer
    x = 92,986.29

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1.5x scale

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.