Home / 96,991.25-145,297.71-54,743.54

Finding the Fourth Proportional to 96,991.25, 145,297.71 and 54,743.54

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Solution

The fourth proportional to 96,991.25, 145,297.71 and 54,743.54 is: 82,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,991.25 : 145,297.71 = 54,743.54 : x
  2. Step 2: Convert to fraction form
    96,991.25/145,297.71 = 54,743.54/x
  3. Step 3: Cross multiply
    96,991.25x = 145,297.71 × 54,743.54
  4. Step 4: Simplify right side
    96,991.25x = 7,954,110,272.80
  5. Step 5: Solve for x
    x = 7,954,110,272.80/96,991.25
  6. Step 6: Final answer
    x = 82,008.54

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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.