Home / 87,816.92-131,730.05-27,850.13

Finding the Fourth Proportional to 87,816.92, 131,730.05 and 27,850.13

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Solution

The fourth proportional to 87,816.92, 131,730.05 and 27,850.13 is: 41,776.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,816.92 : 131,730.05 = 27,850.13 : x
  2. Step 2: Convert to fraction form
    87,816.92/131,730.05 = 27,850.13/x
  3. Step 3: Cross multiply
    87,816.92x = 131,730.05 × 27,850.13
  4. Step 4: Simplify right side
    87,816.92x = 3,668,698,358.76
  5. Step 5: Solve for x
    x = 3,668,698,358.76/87,816.92
  6. Step 6: Final answer
    x = 41,776.67

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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.