Home / 71,984.64-107,977.92-25,238.88

Finding the Fourth Proportional to 71,984.64, 107,977.92 and 25,238.88

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Solution

The fourth proportional to 71,984.64, 107,977.92 and 25,238.88 is: 37,858.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,984.64 : 107,977.92 = 25,238.88 : x
  2. Step 2: Convert to fraction form
    71,984.64/107,977.92 = 25,238.88/x
  3. Step 3: Cross multiply
    71,984.64x = 107,977.92 × 25,238.88
  4. Step 4: Simplify right side
    71,984.64x = 2,725,241,765.53
  5. Step 5: Solve for x
    x = 2,725,241,765.53/71,984.64
  6. Step 6: Final answer
    x = 37,858.66

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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.