Home / 87,950.99-131,846.02-31,778.03

Finding the Fourth Proportional to 87,950.99, 131,846.02 and 31,778.03

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Solution

The fourth proportional to 87,950.99, 131,846.02 and 31,778.03 is: 47,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950.99 : 131,846.02 = 31,778.03 : x
  2. Step 2: Convert to fraction form
    87,950.99/131,846.02 = 31,778.03/x
  3. Step 3: Cross multiply
    87,950.99x = 131,846.02 × 31,778.03
  4. Step 4: Simplify right side
    87,950.99x = 4,189,806,778.94
  5. Step 5: Solve for x
    x = 4,189,806,778.94/87,950.99
  6. Step 6: Final answer
    x = 47,637.97

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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.