Home / 87,455.58-131,175.78-53,252.52

Finding the Fourth Proportional to 87,455.58, 131,175.78 and 53,252.52

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Solution

The fourth proportional to 87,455.58, 131,175.78 and 53,252.52 is: 79,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455.58 : 131,175.78 = 53,252.52 : x
  2. Step 2: Convert to fraction form
    87,455.58/131,175.78 = 53,252.52/x
  3. Step 3: Cross multiply
    87,455.58x = 131,175.78 × 53,252.52
  4. Step 4: Simplify right side
    87,455.58x = 6,985,440,847.97
  5. Step 5: Solve for x
    x = 6,985,440,847.97/87,455.58
  6. Step 6: Final answer
    x = 79,874.16

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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.