Home / 43,945.68-65,917.96-10,666

Finding the Fourth Proportional to 43,945.68, 65,917.96 and 10,666

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Solution

The fourth proportional to 43,945.68, 65,917.96 and 10,666 is: 15,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.68 : 65,917.96 = 10,666 : x
  2. Step 2: Convert to fraction form
    43,945.68/65,917.96 = 10,666/x
  3. Step 3: Cross multiply
    43,945.68x = 65,917.96 × 10,666
  4. Step 4: Simplify right side
    43,945.68x = 703,080,961.36
  5. Step 5: Solve for x
    x = 703,080,961.36/43,945.68
  6. Step 6: Final answer
    x = 15,998.86

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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.