Home / 87,810.90-131,723.55-37,893.30

Finding the Fourth Proportional to 87,810.90, 131,723.55 and 37,893.30

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Solution

The fourth proportional to 87,810.90, 131,723.55 and 37,893.30 is: 56,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,810.90 : 131,723.55 = 37,893.30 : x
  2. Step 2: Convert to fraction form
    87,810.90/131,723.55 = 37,893.30/x
  3. Step 3: Cross multiply
    87,810.90x = 131,723.55 × 37,893.30
  4. Step 4: Simplify right side
    87,810.90x = 4,991,439,997.22
  5. Step 5: Solve for x
    x = 4,991,439,997.22/87,810.90
  6. Step 6: Final answer
    x = 56,843.06

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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.