Home / 87,997.32-131,994.60-35,405.44

Finding the Fourth Proportional to 87,997.32, 131,994.60 and 35,405.44

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Solution

The fourth proportional to 87,997.32, 131,994.60 and 35,405.44 is: 53,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,997.32 : 131,994.60 = 35,405.44 : x
  2. Step 2: Convert to fraction form
    87,997.32/131,994.60 = 35,405.44/x
  3. Step 3: Cross multiply
    87,997.32x = 131,994.60 × 35,405.44
  4. Step 4: Simplify right side
    87,997.32x = 4,673,326,427.87
  5. Step 5: Solve for x
    x = 4,673,326,427.87/87,997.32
  6. Step 6: Final answer
    x = 53,107.60

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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.