Home / 87,941.94-131,834.04-31,768.86

Finding the Fourth Proportional to 87,941.94, 131,834.04 and 31,768.86

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Solution

The fourth proportional to 87,941.94, 131,834.04 and 31,768.86 is: 47,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.94 : 131,834.04 = 31,768.86 : x
  2. Step 2: Convert to fraction form
    87,941.94/131,834.04 = 31,768.86/x
  3. Step 3: Cross multiply
    87,941.94x = 131,834.04 × 31,768.86
  4. Step 4: Simplify right side
    87,941.94x = 4,188,217,159.99
  5. Step 5: Solve for x
    x = 4,188,217,159.99/87,941.94
  6. Step 6: Final answer
    x = 47,624.80

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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.