Home / 87,619.80-131,444.10-37,723.80

Finding the Fourth Proportional to 87,619.80, 131,444.10 and 37,723.80

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Solution

The fourth proportional to 87,619.80, 131,444.10 and 37,723.80 is: 56,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619.80 : 131,444.10 = 37,723.80 : x
  2. Step 2: Convert to fraction form
    87,619.80/131,444.10 = 37,723.80/x
  3. Step 3: Cross multiply
    87,619.80x = 131,444.10 × 37,723.80
  4. Step 4: Simplify right side
    87,619.80x = 4,958,570,939.58
  5. Step 5: Solve for x
    x = 4,958,570,939.58/87,619.80
  6. Step 6: Final answer
    x = 56,591.90

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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.