Home / 106,052.43-159,078.65-43,721.31

Finding the Fourth Proportional to 106,052.43, 159,078.65 and 43,721.31

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Solution

The fourth proportional to 106,052.43, 159,078.65 and 43,721.31 is: 65,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,052.43 : 159,078.65 = 43,721.31 : x
  2. Step 2: Convert to fraction form
    106,052.43/159,078.65 = 43,721.31/x
  3. Step 3: Cross multiply
    106,052.43x = 159,078.65 × 43,721.31
  4. Step 4: Simplify right side
    106,052.43x = 6,955,126,752.42
  5. Step 5: Solve for x
    x = 6,955,126,752.42/106,052.43
  6. Step 6: Final answer
    x = 65,581.97

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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.