Home / 72,456.75-108,694.44-25,710.03

Finding the Fourth Proportional to 72,456.75, 108,694.44 and 25,710.03

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Solution

The fourth proportional to 72,456.75, 108,694.44 and 25,710.03 is: 38,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,456.75 : 108,694.44 = 25,710.03 : x
  2. Step 2: Convert to fraction form
    72,456.75/108,694.44 = 25,710.03/x
  3. Step 3: Cross multiply
    72,456.75x = 108,694.44 × 25,710.03
  4. Step 4: Simplify right side
    72,456.75x = 2,794,537,313.23
  5. Step 5: Solve for x
    x = 2,794,537,313.23/72,456.75
  6. Step 6: Final answer
    x = 38,568.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.