Home / 72,694.09-109,031.55-25,299.07

Finding the Fourth Proportional to 72,694.09, 109,031.55 and 25,299.07

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Solution

The fourth proportional to 72,694.09, 109,031.55 and 25,299.07 is: 37,945.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,694.09 : 109,031.55 = 25,299.07 : x
  2. Step 2: Convert to fraction form
    72,694.09/109,031.55 = 25,299.07/x
  3. Step 3: Cross multiply
    72,694.09x = 109,031.55 × 25,299.07
  4. Step 4: Simplify right side
    72,694.09x = 2,758,396,815.66
  5. Step 5: Solve for x
    x = 2,758,396,815.66/72,694.09
  6. Step 6: Final answer
    x = 37,945.27

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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.