Home / 87,639.92-131,477.57-27,677.77

Finding the Fourth Proportional to 87,639.92, 131,477.57 and 27,677.77

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Solution

The fourth proportional to 87,639.92, 131,477.57 and 27,677.77 is: 41,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,639.92 : 131,477.57 = 27,677.77 : x
  2. Step 2: Convert to fraction form
    87,639.92/131,477.57 = 27,677.77/x
  3. Step 3: Cross multiply
    87,639.92x = 131,477.57 × 27,677.77
  4. Step 4: Simplify right side
    87,639.92x = 3,639,005,942.62
  5. Step 5: Solve for x
    x = 3,639,005,942.62/87,639.92
  6. Step 6: Final answer
    x = 41,522.24

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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.