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Finding the Fourth Proportional to 73,375.38, 110,112.39 and 25,990.31

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Solution

The fourth proportional to 73,375.38, 110,112.39 and 25,990.31 is: 39,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,375.38 : 110,112.39 = 25,990.31 : x
  2. Step 2: Convert to fraction form
    73,375.38/110,112.39 = 25,990.31/x
  3. Step 3: Cross multiply
    73,375.38x = 110,112.39 × 25,990.31
  4. Step 4: Simplify right side
    73,375.38x = 2,861,855,150.94
  5. Step 5: Solve for x
    x = 2,861,855,150.94/73,375.38
  6. Step 6: Final answer
    x = 39,002.93

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1.5x scale

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.