Home / 47,565.92-71,343.18-12,508.31

Finding the Fourth Proportional to 47,565.92, 71,343.18 and 12,508.31

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Solution

The fourth proportional to 47,565.92, 71,343.18 and 12,508.31 is: 18,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,565.92 : 71,343.18 = 12,508.31 : x
  2. Step 2: Convert to fraction form
    47,565.92/71,343.18 = 12,508.31/x
  3. Step 3: Cross multiply
    47,565.92x = 71,343.18 × 12,508.31
  4. Step 4: Simplify right side
    47,565.92x = 892,382,255.11
  5. Step 5: Solve for x
    x = 892,382,255.11/47,565.92
  6. Step 6: Final answer
    x = 18,760.96

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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.