Home / 43,174.56-64,761.96-12,009.84

Finding the Fourth Proportional to 43,174.56, 64,761.96 and 12,009.84

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Solution

The fourth proportional to 43,174.56, 64,761.96 and 12,009.84 is: 18,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.56 : 64,761.96 = 12,009.84 : x
  2. Step 2: Convert to fraction form
    43,174.56/64,761.96 = 12,009.84/x
  3. Step 3: Cross multiply
    43,174.56x = 64,761.96 × 12,009.84
  4. Step 4: Simplify right side
    43,174.56x = 777,780,777.69
  5. Step 5: Solve for x
    x = 777,780,777.69/43,174.56
  6. Step 6: Final answer
    x = 18,014.79

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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.