Home / 80,958.11-111,722.29-44,658.72

Finding the Fourth Proportional to 80,958.11, 111,722.29 and 44,658.72

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Solution

The fourth proportional to 80,958.11, 111,722.29 and 44,658.72 is: 61,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,958.11 : 111,722.29 = 44,658.72 : x
  2. Step 2: Convert to fraction form
    80,958.11/111,722.29 = 44,658.72/x
  3. Step 3: Cross multiply
    80,958.11x = 111,722.29 × 44,658.72
  4. Step 4: Simplify right side
    80,958.11x = 4,989,374,355.22
  5. Step 5: Solve for x
    x = 4,989,374,355.22/80,958.11
  6. Step 6: Final answer
    x = 61,629.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.