Home / 80,553.72-111,166.14-44,742

Finding the Fourth Proportional to 80,553.72, 111,166.14 and 44,742

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Solution

The fourth proportional to 80,553.72, 111,166.14 and 44,742 is: 61,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,553.72 : 111,166.14 = 44,742 : x
  2. Step 2: Convert to fraction form
    80,553.72/111,166.14 = 44,742/x
  3. Step 3: Cross multiply
    80,553.72x = 111,166.14 × 44,742
  4. Step 4: Simplify right side
    80,553.72x = 4,973,795,435.88
  5. Step 5: Solve for x
    x = 4,973,795,435.88/80,553.72
  6. Step 6: Final answer
    x = 61,745.07

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1.5x scale

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.