Home / 87,563.98-131,263.68-66,184

Finding the Fourth Proportional to 87,563.98, 131,263.68 and 66,184

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Solution

The fourth proportional to 87,563.98, 131,263.68 and 66,184 is: 99,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,563.98 : 131,263.68 = 66,184 : x
  2. Step 2: Convert to fraction form
    87,563.98/131,263.68 = 66,184/x
  3. Step 3: Cross multiply
    87,563.98x = 131,263.68 × 66,184
  4. Step 4: Simplify right side
    87,563.98x = 8,687,555,397.12
  5. Step 5: Solve for x
    x = 8,687,555,397.12/87,563.98
  6. Step 6: Final answer
    x = 99,213.80

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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.