Home / 67,301.72-100,888.32-25,170.38

Finding the Fourth Proportional to 67,301.72, 100,888.32 and 25,170.38

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Solution

The fourth proportional to 67,301.72, 100,888.32 and 25,170.38 is: 37,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,301.72 : 100,888.32 = 25,170.38 : x
  2. Step 2: Convert to fraction form
    67,301.72/100,888.32 = 25,170.38/x
  3. Step 3: Cross multiply
    67,301.72x = 100,888.32 × 25,170.38
  4. Step 4: Simplify right side
    67,301.72x = 2,539,397,351.96
  5. Step 5: Solve for x
    x = 2,539,397,351.96/67,301.72
  6. Step 6: Final answer
    x = 37,731.54

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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.