Home / 43,027.56-64,541.34-11,863.08

Finding the Fourth Proportional to 43,027.56, 64,541.34 and 11,863.08

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Solution

The fourth proportional to 43,027.56, 64,541.34 and 11,863.08 is: 17,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,027.56 : 64,541.34 = 11,863.08 : x
  2. Step 2: Convert to fraction form
    43,027.56/64,541.34 = 11,863.08/x
  3. Step 3: Cross multiply
    43,027.56x = 64,541.34 × 11,863.08
  4. Step 4: Simplify right side
    43,027.56x = 765,659,079.73
  5. Step 5: Solve for x
    x = 765,659,079.73/43,027.56
  6. Step 6: Final answer
    x = 17,794.62

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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.