Home / 43,168.23-64,755.90-12,003.48

Finding the Fourth Proportional to 43,168.23, 64,755.90 and 12,003.48

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Solution

The fourth proportional to 43,168.23, 64,755.90 and 12,003.48 is: 18,006.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.23 : 64,755.90 = 12,003.48 : x
  2. Step 2: Convert to fraction form
    43,168.23/64,755.90 = 12,003.48/x
  3. Step 3: Cross multiply
    43,168.23x = 64,755.90 × 12,003.48
  4. Step 4: Simplify right side
    43,168.23x = 777,296,150.53
  5. Step 5: Solve for x
    x = 777,296,150.53/43,168.23
  6. Step 6: Final answer
    x = 18,006.21

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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.