Home / 87,723-131,584.50-25,398.36

Finding the Fourth Proportional to 87,723, 131,584.50 and 25,398.36

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Solution

The fourth proportional to 87,723, 131,584.50 and 25,398.36 is: 38,097.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,723 : 131,584.50 = 25,398.36 : x
  2. Step 2: Convert to fraction form
    87,723/131,584.50 = 25,398.36/x
  3. Step 3: Cross multiply
    87,723x = 131,584.50 × 25,398.36
  4. Step 4: Simplify right side
    87,723x = 3,342,030,501.42
  5. Step 5: Solve for x
    x = 3,342,030,501.42/87,723
  6. Step 6: Final answer
    x = 38,097.54

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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.