Home / 80,283.22-120,402.15-50,656.66

Finding the Fourth Proportional to 80,283.22, 120,402.15 and 50,656.66

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Solution

The fourth proportional to 80,283.22, 120,402.15 and 50,656.66 is: 75,970.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,283.22 : 120,402.15 = 50,656.66 : x
  2. Step 2: Convert to fraction form
    80,283.22/120,402.15 = 50,656.66/x
  3. Step 3: Cross multiply
    80,283.22x = 120,402.15 × 50,656.66
  4. Step 4: Simplify right side
    80,283.22x = 6,099,170,775.82
  5. Step 5: Solve for x
    x = 6,099,170,775.82/80,283.22
  6. Step 6: Final answer
    x = 75,970.68

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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.