Home / 87,700.96-131,584.38-52,665.76

Finding the Fourth Proportional to 87,700.96, 131,584.38 and 52,665.76

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Solution

The fourth proportional to 87,700.96, 131,584.38 and 52,665.76 is: 79,018.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,700.96 : 131,584.38 = 52,665.76 : x
  2. Step 2: Convert to fraction form
    87,700.96/131,584.38 = 52,665.76/x
  3. Step 3: Cross multiply
    87,700.96x = 131,584.38 × 52,665.76
  4. Step 4: Simplify right side
    87,700.96x = 6,929,991,376.83
  5. Step 5: Solve for x
    x = 6,929,991,376.83/87,700.96
  6. Step 6: Final answer
    x = 79,018.42

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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.