Home / 87,874.16-131,678.22-58,185.68

Finding the Fourth Proportional to 87,874.16, 131,678.22 and 58,185.68

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Solution

The fourth proportional to 87,874.16, 131,678.22 and 58,185.68 is: 87,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.16 : 131,678.22 = 58,185.68 : x
  2. Step 2: Convert to fraction form
    87,874.16/131,678.22 = 58,185.68/x
  3. Step 3: Cross multiply
    87,874.16x = 131,678.22 × 58,185.68
  4. Step 4: Simplify right side
    87,874.16x = 7,661,786,771.89
  5. Step 5: Solve for x
    x = 7,661,786,771.89/87,874.16
  6. Step 6: Final answer
    x = 87,190.44

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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.