Home / 87,649.96-131,429.92-40,224.23

Finding the Fourth Proportional to 87,649.96, 131,429.92 and 40,224.23

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Solution

The fourth proportional to 87,649.96, 131,429.92 and 40,224.23 is: 60,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,649.96 : 131,429.92 = 40,224.23 : x
  2. Step 2: Convert to fraction form
    87,649.96/131,429.92 = 40,224.23/x
  3. Step 3: Cross multiply
    87,649.96x = 131,429.92 × 40,224.23
  4. Step 4: Simplify right side
    87,649.96x = 5,286,667,330.96
  5. Step 5: Solve for x
    x = 5,286,667,330.96/87,649.96
  6. Step 6: Final answer
    x = 60,315.68

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1.5x scale

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.