Home / 65,965.27-90,982.26-41,443.21

Finding the Fourth Proportional to 65,965.27, 90,982.26 and 41,443.21

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Solution

The fourth proportional to 65,965.27, 90,982.26 and 41,443.21 is: 57,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,965.27 : 90,982.26 = 41,443.21 : x
  2. Step 2: Convert to fraction form
    65,965.27/90,982.26 = 41,443.21/x
  3. Step 3: Cross multiply
    65,965.27x = 90,982.26 × 41,443.21
  4. Step 4: Simplify right side
    65,965.27x = 3,770,596,907.45
  5. Step 5: Solve for x
    x = 3,770,596,907.45/65,965.27
  6. Step 6: Final answer
    x = 57,160.33

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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.