Home / 43,402.14-65,105.44-12,239.82

Finding the Fourth Proportional to 43,402.14, 65,105.44 and 12,239.82

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Solution

The fourth proportional to 43,402.14, 65,105.44 and 12,239.82 is: 18,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,402.14 : 65,105.44 = 12,239.82 : x
  2. Step 2: Convert to fraction form
    43,402.14/65,105.44 = 12,239.82/x
  3. Step 3: Cross multiply
    43,402.14x = 65,105.44 × 12,239.82
  4. Step 4: Simplify right side
    43,402.14x = 796,878,836.02
  5. Step 5: Solve for x
    x = 796,878,836.02/43,402.14
  6. Step 6: Final answer
    x = 18,360.36

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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.