Home / 111,721.61-167,546.81-36,827.80

Finding the Fourth Proportional to 111,721.61, 167,546.81 and 36,827.80

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Solution

The fourth proportional to 111,721.61, 167,546.81 and 36,827.80 is: 55,229.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,721.61 : 167,546.81 = 36,827.80 : x
  2. Step 2: Convert to fraction form
    111,721.61/167,546.81 = 36,827.80/x
  3. Step 3: Cross multiply
    111,721.61x = 167,546.81 × 36,827.80
  4. Step 4: Simplify right side
    111,721.61x = 6,170,380,082.52
  5. Step 5: Solve for x
    x = 6,170,380,082.52/111,721.61
  6. Step 6: Final answer
    x = 55,229.96

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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.