Home / 43,770.48-65,667-12,608.16

Finding the Fourth Proportional to 43,770.48, 65,667 and 12,608.16

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Solution

The fourth proportional to 43,770.48, 65,667 and 12,608.16 is: 18,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,770.48 : 65,667 = 12,608.16 : x
  2. Step 2: Convert to fraction form
    43,770.48/65,667 = 12,608.16/x
  3. Step 3: Cross multiply
    43,770.48x = 65,667 × 12,608.16
  4. Step 4: Simplify right side
    43,770.48x = 827,940,042.72
  5. Step 5: Solve for x
    x = 827,940,042.72/43,770.48
  6. Step 6: Final answer
    x = 18,915.49

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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.