Home / 80,273.11-120,405.05-24,111.98

Finding the Fourth Proportional to 80,273.11, 120,405.05 and 24,111.98

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Solution

The fourth proportional to 80,273.11, 120,405.05 and 24,111.98 is: 36,166.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,273.11 : 120,405.05 = 24,111.98 : x
  2. Step 2: Convert to fraction form
    80,273.11/120,405.05 = 24,111.98/x
  3. Step 3: Cross multiply
    80,273.11x = 120,405.05 × 24,111.98
  4. Step 4: Simplify right side
    80,273.11x = 2,903,203,976.85
  5. Step 5: Solve for x
    x = 2,903,203,976.85/80,273.11
  6. Step 6: Final answer
    x = 36,166.58

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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.