Home / 71,469.13-98,629.26-39,205.15

Finding the Fourth Proportional to 71,469.13, 98,629.26 and 39,205.15

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Solution

The fourth proportional to 71,469.13, 98,629.26 and 39,205.15 is: 54,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,469.13 : 98,629.26 = 39,205.15 : x
  2. Step 2: Convert to fraction form
    71,469.13/98,629.26 = 39,205.15/x
  3. Step 3: Cross multiply
    71,469.13x = 98,629.26 × 39,205.15
  4. Step 4: Simplify right side
    71,469.13x = 3,866,774,932.69
  5. Step 5: Solve for x
    x = 3,866,774,932.69/71,469.13
  6. Step 6: Final answer
    x = 54,104.13

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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.