Home / 87,635.99-131,401.38-40,191.64

Finding the Fourth Proportional to 87,635.99, 131,401.38 and 40,191.64

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Solution

The fourth proportional to 87,635.99, 131,401.38 and 40,191.64 is: 60,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,635.99 : 131,401.38 = 40,191.64 : x
  2. Step 2: Convert to fraction form
    87,635.99/131,401.38 = 40,191.64/x
  3. Step 3: Cross multiply
    87,635.99x = 131,401.38 × 40,191.64
  4. Step 4: Simplify right side
    87,635.99x = 5,281,237,239.21
  5. Step 5: Solve for x
    x = 5,281,237,239.21/87,635.99
  6. Step 6: Final answer
    x = 60,263.34

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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.