Home / 47,120.70-70,704.96-31,336.71

Finding the Fourth Proportional to 47,120.70, 70,704.96 and 31,336.71

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Solution

The fourth proportional to 47,120.70, 70,704.96 and 31,336.71 is: 47,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.70 : 70,704.96 = 31,336.71 : x
  2. Step 2: Convert to fraction form
    47,120.70/70,704.96 = 31,336.71/x
  3. Step 3: Cross multiply
    47,120.70x = 70,704.96 × 31,336.71
  4. Step 4: Simplify right side
    47,120.70x = 2,215,660,827.08
  5. Step 5: Solve for x
    x = 2,215,660,827.08/47,120.70
  6. Step 6: Final answer
    x = 47,020.97

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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.