Home / 87,841.20-131,774.58-28,662.30

Finding the Fourth Proportional to 87,841.20, 131,774.58 and 28,662.30

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Solution

The fourth proportional to 87,841.20, 131,774.58 and 28,662.30 is: 42,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,841.20 : 131,774.58 = 28,662.30 : x
  2. Step 2: Convert to fraction form
    87,841.20/131,774.58 = 28,662.30/x
  3. Step 3: Cross multiply
    87,841.20x = 131,774.58 × 28,662.30
  4. Step 4: Simplify right side
    87,841.20x = 3,776,962,544.33
  5. Step 5: Solve for x
    x = 3,776,962,544.33/87,841.20
  6. Step 6: Final answer
    x = 42,997.62

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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.