Home / 87,518.24-131,258.16-25,172

Finding the Fourth Proportional to 87,518.24, 131,258.16 and 25,172

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Solution

The fourth proportional to 87,518.24, 131,258.16 and 25,172 is: 37,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,518.24 : 131,258.16 = 25,172 : x
  2. Step 2: Convert to fraction form
    87,518.24/131,258.16 = 25,172/x
  3. Step 3: Cross multiply
    87,518.24x = 131,258.16 × 25,172
  4. Step 4: Simplify right side
    87,518.24x = 3,304,030,403.52
  5. Step 5: Solve for x
    x = 3,304,030,403.52/87,518.24
  6. Step 6: Final answer
    x = 37,752.48

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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.