Home / 47,201.92-65,105.48-31,064.09

Finding the Fourth Proportional to 47,201.92, 65,105.48 and 31,064.09

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Solution

The fourth proportional to 47,201.92, 65,105.48 and 31,064.09 is: 42,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.92 : 65,105.48 = 31,064.09 : x
  2. Step 2: Convert to fraction form
    47,201.92/65,105.48 = 31,064.09/x
  3. Step 3: Cross multiply
    47,201.92x = 65,105.48 × 31,064.09
  4. Step 4: Simplify right side
    47,201.92x = 2,022,442,288.62
  5. Step 5: Solve for x
    x = 2,022,442,288.62/47,201.92
  6. Step 6: Final answer
    x = 42,846.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.