Home / 121,474.12-167,634.50-67,025.04

Finding the Fourth Proportional to 121,474.12, 167,634.50 and 67,025.04

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Solution

The fourth proportional to 121,474.12, 167,634.50 and 67,025.04 is: 92,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,474.12 : 167,634.50 = 67,025.04 : x
  2. Step 2: Convert to fraction form
    121,474.12/167,634.50 = 67,025.04/x
  3. Step 3: Cross multiply
    121,474.12x = 167,634.50 × 67,025.04
  4. Step 4: Simplify right side
    121,474.12x = 11,235,709,067.88
  5. Step 5: Solve for x
    x = 11,235,709,067.88/121,474.12
  6. Step 6: Final answer
    x = 92,494.67

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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.