Home / 87,800.02-131,694.58-54,072.46

Finding the Fourth Proportional to 87,800.02, 131,694.58 and 54,072.46

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Solution

The fourth proportional to 87,800.02, 131,694.58 and 54,072.46 is: 81,105.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,800.02 : 131,694.58 = 54,072.46 : x
  2. Step 2: Convert to fraction form
    87,800.02/131,694.58 = 54,072.46/x
  3. Step 3: Cross multiply
    87,800.02x = 131,694.58 × 54,072.46
  4. Step 4: Simplify right side
    87,800.02x = 7,121,049,909.27
  5. Step 5: Solve for x
    x = 7,121,049,909.27/87,800.02
  6. Step 6: Final answer
    x = 81,105.33

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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.