Home / 106,638.30-159,834.41-40,035.95

Finding the Fourth Proportional to 106,638.30, 159,834.41 and 40,035.95

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Solution

The fourth proportional to 106,638.30, 159,834.41 and 40,035.95 is: 60,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,638.30 : 159,834.41 = 40,035.95 : x
  2. Step 2: Convert to fraction form
    106,638.30/159,834.41 = 40,035.95/x
  3. Step 3: Cross multiply
    106,638.30x = 159,834.41 × 40,035.95
  4. Step 4: Simplify right side
    106,638.30x = 6,399,121,972.87
  5. Step 5: Solve for x
    x = 6,399,121,972.87/106,638.30
  6. Step 6: Final answer
    x = 60,007.73

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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.