Home / 87,775.29-131,736.63-37,893.06

Finding the Fourth Proportional to 87,775.29, 131,736.63 and 37,893.06

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Solution

The fourth proportional to 87,775.29, 131,736.63 and 37,893.06 is: 56,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,775.29 : 131,736.63 = 37,893.06 : x
  2. Step 2: Convert to fraction form
    87,775.29/131,736.63 = 37,893.06/x
  3. Step 3: Cross multiply
    87,775.29x = 131,736.63 × 37,893.06
  4. Step 4: Simplify right side
    87,775.29x = 4,991,904,024.79
  5. Step 5: Solve for x
    x = 4,991,904,024.79/87,775.29
  6. Step 6: Final answer
    x = 56,871.40

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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.