Home / 87,863.32-131,811.18-35,271.64

Finding the Fourth Proportional to 87,863.32, 131,811.18 and 35,271.64

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Solution

The fourth proportional to 87,863.32, 131,811.18 and 35,271.64 is: 52,913.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.32 : 131,811.18 = 35,271.64 : x
  2. Step 2: Convert to fraction form
    87,863.32/131,811.18 = 35,271.64/x
  3. Step 3: Cross multiply
    87,863.32x = 131,811.18 × 35,271.64
  4. Step 4: Simplify right side
    87,863.32x = 4,649,196,488.94
  5. Step 5: Solve for x
    x = 4,649,196,488.94/87,863.32
  6. Step 6: Final answer
    x = 52,913.96

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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.