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Finding the Fourth Proportional to 80,745.82, 111,428.42 and 44,935.22

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Solution

The fourth proportional to 80,745.82, 111,428.42 and 44,935.22 is: 62,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,745.82 : 111,428.42 = 44,935.22 : x
  2. Step 2: Convert to fraction form
    80,745.82/111,428.42 = 44,935.22/x
  3. Step 3: Cross multiply
    80,745.82x = 111,428.42 × 44,935.22
  4. Step 4: Simplify right side
    80,745.82x = 5,007,060,620.85
  5. Step 5: Solve for x
    x = 5,007,060,620.85/80,745.82
  6. Step 6: Final answer
    x = 62,010.15

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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.