Home / 87,563.91-131,348.69-34,253.79

Finding the Fourth Proportional to 87,563.91, 131,348.69 and 34,253.79

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Solution

The fourth proportional to 87,563.91, 131,348.69 and 34,253.79 is: 51,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,563.91 : 131,348.69 = 34,253.79 : x
  2. Step 2: Convert to fraction form
    87,563.91/131,348.69 = 34,253.79/x
  3. Step 3: Cross multiply
    87,563.91x = 131,348.69 × 34,253.79
  4. Step 4: Simplify right side
    87,563.91x = 4,499,190,272.77
  5. Step 5: Solve for x
    x = 4,499,190,272.77/87,563.91
  6. Step 6: Final answer
    x = 51,381.79

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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.