Home / 87,371.24-131,020.38-43,018.92

Finding the Fourth Proportional to 87,371.24, 131,020.38 and 43,018.92

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Solution

The fourth proportional to 87,371.24, 131,020.38 and 43,018.92 is: 64,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.24 : 131,020.38 = 43,018.92 : x
  2. Step 2: Convert to fraction form
    87,371.24/131,020.38 = 43,018.92/x
  3. Step 3: Cross multiply
    87,371.24x = 131,020.38 × 43,018.92
  4. Step 4: Simplify right side
    87,371.24x = 5,636,355,245.59
  5. Step 5: Solve for x
    x = 5,636,355,245.59/87,371.24
  6. Step 6: Final answer
    x = 64,510.42

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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.