Home / 87,533.94-131,273.37-28,355.88

Finding the Fourth Proportional to 87,533.94, 131,273.37 and 28,355.88

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Solution

The fourth proportional to 87,533.94, 131,273.37 and 28,355.88 is: 42,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,533.94 : 131,273.37 = 28,355.88 : x
  2. Step 2: Convert to fraction form
    87,533.94/131,273.37 = 28,355.88/x
  3. Step 3: Cross multiply
    87,533.94x = 131,273.37 × 28,355.88
  4. Step 4: Simplify right side
    87,533.94x = 3,722,371,926.92
  5. Step 5: Solve for x
    x = 3,722,371,926.92/87,533.94
  6. Step 6: Final answer
    x = 42,524.90

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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.