Home / 87,700.53-131,583.94-52,664.61

Finding the Fourth Proportional to 87,700.53, 131,583.94 and 52,664.61

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Solution

The fourth proportional to 87,700.53, 131,583.94 and 52,664.61 is: 79,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,700.53 : 131,583.94 = 52,664.61 : x
  2. Step 2: Convert to fraction form
    87,700.53/131,583.94 = 52,664.61/x
  3. Step 3: Cross multiply
    87,700.53x = 131,583.94 × 52,664.61
  4. Step 4: Simplify right side
    87,700.53x = 6,929,816,619.04
  5. Step 5: Solve for x
    x = 6,929,816,619.04/87,700.53
  6. Step 6: Final answer
    x = 79,016.82

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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.