Home / 71,183.13-98,231.37-39,351.36

Finding the Fourth Proportional to 71,183.13, 98,231.37 and 39,351.36

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Solution

The fourth proportional to 71,183.13, 98,231.37 and 39,351.36 is: 54,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.13 : 98,231.37 = 39,351.36 : x
  2. Step 2: Convert to fraction form
    71,183.13/98,231.37 = 39,351.36/x
  3. Step 3: Cross multiply
    71,183.13x = 98,231.37 × 39,351.36
  4. Step 4: Simplify right side
    71,183.13x = 3,865,538,004.16
  5. Step 5: Solve for x
    x = 3,865,538,004.16/71,183.13
  6. Step 6: Final answer
    x = 54,304.13

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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.