Home / 96,622.20-144,933.30-68,628.60

Finding the Fourth Proportional to 96,622.20, 144,933.30 and 68,628.60

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Solution

The fourth proportional to 96,622.20, 144,933.30 and 68,628.60 is: 102,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,622.20 : 144,933.30 = 68,628.60 : x
  2. Step 2: Convert to fraction form
    96,622.20/144,933.30 = 68,628.60/x
  3. Step 3: Cross multiply
    96,622.20x = 144,933.30 × 68,628.60
  4. Step 4: Simplify right side
    96,622.20x = 9,946,569,472.38
  5. Step 5: Solve for x
    x = 9,946,569,472.38/96,622.20
  6. Step 6: Final answer
    x = 102,942.90

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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.