Home / 106,451.87-159,674.34-43,253.31

Finding the Fourth Proportional to 106,451.87, 159,674.34 and 43,253.31

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Solution

The fourth proportional to 106,451.87, 159,674.34 and 43,253.31 is: 64,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,451.87 : 159,674.34 = 43,253.31 : x
  2. Step 2: Convert to fraction form
    106,451.87/159,674.34 = 43,253.31/x
  3. Step 3: Cross multiply
    106,451.87x = 159,674.34 × 43,253.31
  4. Step 4: Simplify right side
    106,451.87x = 6,906,443,727.07
  5. Step 5: Solve for x
    x = 6,906,443,727.07/106,451.87
  6. Step 6: Final answer
    x = 64,878.56

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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.