Home / 87,786.32-131,678.87-35,195.04

Finding the Fourth Proportional to 87,786.32, 131,678.87 and 35,195.04

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Solution

The fourth proportional to 87,786.32, 131,678.87 and 35,195.04 is: 52,792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,786.32 : 131,678.87 = 35,195.04 : x
  2. Step 2: Convert to fraction form
    87,786.32/131,678.87 = 35,195.04/x
  3. Step 3: Cross multiply
    87,786.32x = 131,678.87 × 35,195.04
  4. Step 4: Simplify right side
    87,786.32x = 4,634,442,920.83
  5. Step 5: Solve for x
    x = 4,634,442,920.83/87,786.32
  6. Step 6: Final answer
    x = 52,792.32

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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.