Home / 87,635.21-131,483.34-27,672.93

Finding the Fourth Proportional to 87,635.21, 131,483.34 and 27,672.93

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Solution

The fourth proportional to 87,635.21, 131,483.34 and 27,672.93 is: 41,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,635.21 : 131,483.34 = 27,672.93 : x
  2. Step 2: Convert to fraction form
    87,635.21/131,483.34 = 27,672.93/x
  3. Step 3: Cross multiply
    87,635.21x = 131,483.34 × 27,672.93
  4. Step 4: Simplify right side
    87,635.21x = 3,638,529,263.99
  5. Step 5: Solve for x
    x = 3,638,529,263.99/87,635.21
  6. Step 6: Final answer
    x = 41,519.04

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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.