Home / 87,742.42-131,627.39-37,836.70

Finding the Fourth Proportional to 87,742.42, 131,627.39 and 37,836.70

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Solution

The fourth proportional to 87,742.42, 131,627.39 and 37,836.70 is: 56,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,742.42 : 131,627.39 = 37,836.70 : x
  2. Step 2: Convert to fraction form
    87,742.42/131,627.39 = 37,836.70/x
  3. Step 3: Cross multiply
    87,742.42x = 131,627.39 × 37,836.70
  4. Step 4: Simplify right side
    87,742.42x = 4,980,345,832.74
  5. Step 5: Solve for x
    x = 4,980,345,832.74/87,742.42
  6. Step 6: Final answer
    x = 56,760.98

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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.