Home / 36,109.02-54,158.52-11,149.89

Finding the Fourth Proportional to 36,109.02, 54,158.52 and 11,149.89

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Solution

The fourth proportional to 36,109.02, 54,158.52 and 11,149.89 is: 16,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.02 : 54,158.52 = 11,149.89 : x
  2. Step 2: Convert to fraction form
    36,109.02/54,158.52 = 11,149.89/x
  3. Step 3: Cross multiply
    36,109.02x = 54,158.52 × 11,149.89
  4. Step 4: Simplify right side
    36,109.02x = 603,861,540.56
  5. Step 5: Solve for x
    x = 603,861,540.56/36,109.02
  6. Step 6: Final answer
    x = 16,723.29

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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.