Home / 71,982.20-108,005.70-25,268.60

Finding the Fourth Proportional to 71,982.20, 108,005.70 and 25,268.60

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Solution

The fourth proportional to 71,982.20, 108,005.70 and 25,268.60 is: 37,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,982.20 : 108,005.70 = 25,268.60 : x
  2. Step 2: Convert to fraction form
    71,982.20/108,005.70 = 25,268.60/x
  3. Step 3: Cross multiply
    71,982.20x = 108,005.70 × 25,268.60
  4. Step 4: Simplify right side
    71,982.20x = 2,729,152,831.02
  5. Step 5: Solve for x
    x = 2,729,152,831.02/71,982.20
  6. Step 6: Final answer
    x = 37,914.27

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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.