Home / 72,261.30-108,392.87-25,481.37

Finding the Fourth Proportional to 72,261.30, 108,392.87 and 25,481.37

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Solution

The fourth proportional to 72,261.30, 108,392.87 and 25,481.37 is: 38,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,261.30 : 108,392.87 = 25,481.37 : x
  2. Step 2: Convert to fraction form
    72,261.30/108,392.87 = 25,481.37/x
  3. Step 3: Cross multiply
    72,261.30x = 108,392.87 × 25,481.37
  4. Step 4: Simplify right side
    72,261.30x = 2,761,998,825.83
  5. Step 5: Solve for x
    x = 2,761,998,825.83/72,261.30
  6. Step 6: Final answer
    x = 38,222.38

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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.