Home / 120,948.20-181,422.66-36,709.04

Finding the Fourth Proportional to 120,948.20, 181,422.66 and 36,709.04

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Solution

The fourth proportional to 120,948.20, 181,422.66 and 36,709.04 is: 55,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948.20 : 181,422.66 = 36,709.04 : x
  2. Step 2: Convert to fraction form
    120,948.20/181,422.66 = 36,709.04/x
  3. Step 3: Cross multiply
    120,948.20x = 181,422.66 × 36,709.04
  4. Step 4: Simplify right side
    120,948.20x = 6,659,851,682.85
  5. Step 5: Solve for x
    x = 6,659,851,682.85/120,948.20
  6. Step 6: Final answer
    x = 55,063.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.