Home / 64,198.22-88,628.37-38,709.14

Finding the Fourth Proportional to 64,198.22, 88,628.37 and 38,709.14

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Solution

The fourth proportional to 64,198.22, 88,628.37 and 38,709.14 is: 53,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,198.22 : 88,628.37 = 38,709.14 : x
  2. Step 2: Convert to fraction form
    64,198.22/88,628.37 = 38,709.14/x
  3. Step 3: Cross multiply
    64,198.22x = 88,628.37 × 38,709.14
  4. Step 4: Simplify right side
    64,198.22x = 3,430,727,982.30
  5. Step 5: Solve for x
    x = 3,430,727,982.30/64,198.22
  6. Step 6: Final answer
    x = 53,439.61

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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.