Home / 69,721.26-96,229.42-41,421.48

Finding the Fourth Proportional to 69,721.26, 96,229.42 and 41,421.48

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Solution

The fourth proportional to 69,721.26, 96,229.42 and 41,421.48 is: 57,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721.26 : 96,229.42 = 41,421.48 : x
  2. Step 2: Convert to fraction form
    69,721.26/96,229.42 = 41,421.48/x
  3. Step 3: Cross multiply
    69,721.26x = 96,229.42 × 41,421.48
  4. Step 4: Simplify right side
    69,721.26x = 3,985,964,995.94
  5. Step 5: Solve for x
    x = 3,985,964,995.94/69,721.26
  6. Step 6: Final answer
    x = 57,170.01

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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.