Home / 43,660.82-65,495.34-12,072.98

Finding the Fourth Proportional to 43,660.82, 65,495.34 and 12,072.98

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Solution

The fourth proportional to 43,660.82, 65,495.34 and 12,072.98 is: 18,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,660.82 : 65,495.34 = 12,072.98 : x
  2. Step 2: Convert to fraction form
    43,660.82/65,495.34 = 12,072.98/x
  3. Step 3: Cross multiply
    43,660.82x = 65,495.34 × 12,072.98
  4. Step 4: Simplify right side
    43,660.82x = 790,723,929.91
  5. Step 5: Solve for x
    x = 790,723,929.91/43,660.82
  6. Step 6: Final answer
    x = 18,110.61

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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.