Home / 43,769.43-65,648.66-12,181.86

Finding the Fourth Proportional to 43,769.43, 65,648.66 and 12,181.86

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Solution

The fourth proportional to 43,769.43, 65,648.66 and 12,181.86 is: 18,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,769.43 : 65,648.66 = 12,181.86 : x
  2. Step 2: Convert to fraction form
    43,769.43/65,648.66 = 12,181.86/x
  3. Step 3: Cross multiply
    43,769.43x = 65,648.66 × 12,181.86
  4. Step 4: Simplify right side
    43,769.43x = 799,722,724.40
  5. Step 5: Solve for x
    x = 799,722,724.40/43,769.43
  6. Step 6: Final answer
    x = 18,271.26

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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.