Home / 71,982.56-107,975.76-25,238.24

Finding the Fourth Proportional to 71,982.56, 107,975.76 and 25,238.24

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Solution

The fourth proportional to 71,982.56, 107,975.76 and 25,238.24 is: 37,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,982.56 : 107,975.76 = 25,238.24 : x
  2. Step 2: Convert to fraction form
    71,982.56/107,975.76 = 25,238.24/x
  3. Step 3: Cross multiply
    71,982.56x = 107,975.76 × 25,238.24
  4. Step 4: Simplify right side
    71,982.56x = 2,725,118,145.06
  5. Step 5: Solve for x
    x = 2,725,118,145.06/71,982.56
  6. Step 6: Final answer
    x = 37,858.03

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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.