Home / 111,963.20-167,941.76-45,401.85

Finding the Fourth Proportional to 111,963.20, 167,941.76 and 45,401.85

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Solution

The fourth proportional to 111,963.20, 167,941.76 and 45,401.85 is: 68,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,963.20 : 167,941.76 = 45,401.85 : x
  2. Step 2: Convert to fraction form
    111,963.20/167,941.76 = 45,401.85/x
  3. Step 3: Cross multiply
    111,963.20x = 167,941.76 × 45,401.85
  4. Step 4: Simplify right side
    111,963.20x = 7,624,866,369.25
  5. Step 5: Solve for x
    x = 7,624,866,369.25/111,963.20
  6. Step 6: Final answer
    x = 68,101.54

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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.