Home / 87,446.99-131,198.16-31,285.85

Finding the Fourth Proportional to 87,446.99, 131,198.16 and 31,285.85

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Solution

The fourth proportional to 87,446.99, 131,198.16 and 31,285.85 is: 46,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,446.99 : 131,198.16 = 31,285.85 : x
  2. Step 2: Convert to fraction form
    87,446.99/131,198.16 = 31,285.85/x
  3. Step 3: Cross multiply
    87,446.99x = 131,198.16 × 31,285.85
  4. Step 4: Simplify right side
    87,446.99x = 4,104,645,298.05
  5. Step 5: Solve for x
    x = 4,104,645,298.05/87,446.99
  6. Step 6: Final answer
    x = 46,938.67

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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.