Home / 43,168.44-64,756.33-12,003.69

Finding the Fourth Proportional to 43,168.44, 64,756.33 and 12,003.69

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Solution

The fourth proportional to 43,168.44, 64,756.33 and 12,003.69 is: 18,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.44 : 64,756.33 = 12,003.69 : x
  2. Step 2: Convert to fraction form
    43,168.44/64,756.33 = 12,003.69/x
  3. Step 3: Cross multiply
    43,168.44x = 64,756.33 × 12,003.69
  4. Step 4: Simplify right side
    43,168.44x = 777,314,850.84
  5. Step 5: Solve for x
    x = 777,314,850.84/43,168.44
  6. Step 6: Final answer
    x = 18,006.55

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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.