Home / 87,821.10-131,637.20-37,924.70

Finding the Fourth Proportional to 87,821.10, 131,637.20 and 37,924.70

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Solution

The fourth proportional to 87,821.10, 131,637.20 and 37,924.70 is: 56,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,821.10 : 131,637.20 = 37,924.70 : x
  2. Step 2: Convert to fraction form
    87,821.10/131,637.20 = 37,924.70/x
  3. Step 3: Cross multiply
    87,821.10x = 131,637.20 × 37,924.70
  4. Step 4: Simplify right side
    87,821.10x = 4,992,300,471.03
  5. Step 5: Solve for x
    x = 4,992,300,471.03/87,821.10
  6. Step 6: Final answer
    x = 56,846.25

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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.