Home / 87,636.32-131,467.80-32,228

Finding the Fourth Proportional to 87,636.32, 131,467.80 and 32,228

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Solution

The fourth proportional to 87,636.32, 131,467.80 and 32,228 is: 48,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,636.32 : 131,467.80 = 32,228 : x
  2. Step 2: Convert to fraction form
    87,636.32/131,467.80 = 32,228/x
  3. Step 3: Cross multiply
    87,636.32x = 131,467.80 × 32,228
  4. Step 4: Simplify right side
    87,636.32x = 4,236,944,258.40
  5. Step 5: Solve for x
    x = 4,236,944,258.40/87,636.32
  6. Step 6: Final answer
    x = 48,346.90

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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.