Home / 106,039.25-146,356.43-67,251.90

Finding the Fourth Proportional to 106,039.25, 146,356.43 and 67,251.90

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Solution

The fourth proportional to 106,039.25, 146,356.43 and 67,251.90 is: 92,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,039.25 : 146,356.43 = 67,251.90 : x
  2. Step 2: Convert to fraction form
    106,039.25/146,356.43 = 67,251.90/x
  3. Step 3: Cross multiply
    106,039.25x = 146,356.43 × 67,251.90
  4. Step 4: Simplify right side
    106,039.25x = 9,842,747,994.72
  5. Step 5: Solve for x
    x = 9,842,747,994.72/106,039.25
  6. Step 6: Final answer
    x = 92,821.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.