Home / 71,825.44-107,738.70-25,078.36

Finding the Fourth Proportional to 71,825.44, 107,738.70 and 25,078.36

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Solution

The fourth proportional to 71,825.44, 107,738.70 and 25,078.36 is: 37,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,825.44 : 107,738.70 = 25,078.36 : x
  2. Step 2: Convert to fraction form
    71,825.44/107,738.70 = 25,078.36/x
  3. Step 3: Cross multiply
    71,825.44x = 107,738.70 × 25,078.36
  4. Step 4: Simplify right side
    71,825.44x = 2,701,909,904.53
  5. Step 5: Solve for x
    x = 2,701,909,904.53/71,825.44
  6. Step 6: Final answer
    x = 37,617.73

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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.