Home / 87,860.24-131,757.24-31,685.36

Finding the Fourth Proportional to 87,860.24, 131,757.24 and 31,685.36

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Solution

The fourth proportional to 87,860.24, 131,757.24 and 31,685.36 is: 47,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,860.24 : 131,757.24 = 31,685.36 : x
  2. Step 2: Convert to fraction form
    87,860.24/131,757.24 = 31,685.36/x
  3. Step 3: Cross multiply
    87,860.24x = 131,757.24 × 31,685.36
  4. Step 4: Simplify right side
    87,860.24x = 4,174,775,582.01
  5. Step 5: Solve for x
    x = 4,174,775,582.01/87,860.24
  6. Step 6: Final answer
    x = 47,516.10

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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.