Home / 80,185.17-120,183.45-32,771.01

Finding the Fourth Proportional to 80,185.17, 120,183.45 and 32,771.01

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Solution

The fourth proportional to 80,185.17, 120,183.45 and 32,771.01 is: 49,117.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,185.17 : 120,183.45 = 32,771.01 : x
  2. Step 2: Convert to fraction form
    80,185.17/120,183.45 = 32,771.01/x
  3. Step 3: Cross multiply
    80,185.17x = 120,183.45 × 32,771.01
  4. Step 4: Simplify right side
    80,185.17x = 3,938,533,369.58
  5. Step 5: Solve for x
    x = 3,938,533,369.58/80,185.17
  6. Step 6: Final answer
    x = 49,117.98

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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.