Home / 75,283.20-103,896.96-41,760

Finding the Fourth Proportional to 75,283.20, 103,896.96 and 41,760

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Solution

The fourth proportional to 75,283.20, 103,896.96 and 41,760 is: 57,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283.20 : 103,896.96 = 41,760 : x
  2. Step 2: Convert to fraction form
    75,283.20/103,896.96 = 41,760/x
  3. Step 3: Cross multiply
    75,283.20x = 103,896.96 × 41,760
  4. Step 4: Simplify right side
    75,283.20x = 4,338,737,049.60
  5. Step 5: Solve for x
    x = 4,338,737,049.60/75,283.20
  6. Step 6: Final answer
    x = 57,632.21

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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.