Home / 36,112.56-54,172.05-9,458.49

Finding the Fourth Proportional to 36,112.56, 54,172.05 and 9,458.49

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Solution

The fourth proportional to 36,112.56, 54,172.05 and 9,458.49 is: 14,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,112.56 : 54,172.05 = 9,458.49 : x
  2. Step 2: Convert to fraction form
    36,112.56/54,172.05 = 9,458.49/x
  3. Step 3: Cross multiply
    36,112.56x = 54,172.05 × 9,458.49
  4. Step 4: Simplify right side
    36,112.56x = 512,385,793.20
  5. Step 5: Solve for x
    x = 512,385,793.20/36,112.56
  6. Step 6: Final answer
    x = 14,188.58

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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.