Home / 72,067.06-108,106.35-25,330.42

Finding the Fourth Proportional to 72,067.06, 108,106.35 and 25,330.42

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Solution

The fourth proportional to 72,067.06, 108,106.35 and 25,330.42 is: 37,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,067.06 : 108,106.35 = 25,330.42 : x
  2. Step 2: Convert to fraction form
    72,067.06/108,106.35 = 25,330.42/x
  3. Step 3: Cross multiply
    72,067.06x = 108,106.35 × 25,330.42
  4. Step 4: Simplify right side
    72,067.06x = 2,738,379,250.17
  5. Step 5: Solve for x
    x = 2,738,379,250.17/72,067.06
  6. Step 6: Final answer
    x = 37,997.65

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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.