Home / 87,996.08-131,994.12-25,671.60

Finding the Fourth Proportional to 87,996.08, 131,994.12 and 25,671.60

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Solution

The fourth proportional to 87,996.08, 131,994.12 and 25,671.60 is: 38,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,996.08 : 131,994.12 = 25,671.60 : x
  2. Step 2: Convert to fraction form
    87,996.08/131,994.12 = 25,671.60/x
  3. Step 3: Cross multiply
    87,996.08x = 131,994.12 × 25,671.60
  4. Step 4: Simplify right side
    87,996.08x = 3,388,500,250.99
  5. Step 5: Solve for x
    x = 3,388,500,250.99/87,996.08
  6. Step 6: Final answer
    x = 38,507.40

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1.5x scale

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.