Home / 76,672.58-115,037.42-34,540.02

Finding the Fourth Proportional to 76,672.58, 115,037.42 and 34,540.02

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Solution

The fourth proportional to 76,672.58, 115,037.42 and 34,540.02 is: 51,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,672.58 : 115,037.42 = 34,540.02 : x
  2. Step 2: Convert to fraction form
    76,672.58/115,037.42 = 34,540.02/x
  3. Step 3: Cross multiply
    76,672.58x = 115,037.42 × 34,540.02
  4. Step 4: Simplify right side
    76,672.58x = 3,973,394,614.85
  5. Step 5: Solve for x
    x = 3,973,394,614.85/76,672.58
  6. Step 6: Final answer
    x = 51,822.89

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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.