Home / 44,108.55-66,162.89-12,087.90

Finding the Fourth Proportional to 44,108.55, 66,162.89 and 12,087.90

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Solution

The fourth proportional to 44,108.55, 66,162.89 and 12,087.90 is: 18,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,108.55 : 66,162.89 = 12,087.90 : x
  2. Step 2: Convert to fraction form
    44,108.55/66,162.89 = 12,087.90/x
  3. Step 3: Cross multiply
    44,108.55x = 66,162.89 × 12,087.90
  4. Step 4: Simplify right side
    44,108.55x = 799,770,337.59
  5. Step 5: Solve for x
    x = 799,770,337.59/44,108.55
  6. Step 6: Final answer
    x = 18,131.87

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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.