Home / 120,512.93-180,770.04-36,272.52

Finding the Fourth Proportional to 120,512.93, 180,770.04 and 36,272.52

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Solution

The fourth proportional to 120,512.93, 180,770.04 and 36,272.52 is: 54,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,512.93 : 180,770.04 = 36,272.52 : x
  2. Step 2: Convert to fraction form
    120,512.93/180,770.04 = 36,272.52/x
  3. Step 3: Cross multiply
    120,512.93x = 180,770.04 × 36,272.52
  4. Step 4: Simplify right side
    120,512.93x = 6,556,984,891.30
  5. Step 5: Solve for x
    x = 6,556,984,891.30/120,512.93
  6. Step 6: Final answer
    x = 54,408.98

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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.