Home / 106,579.65-159,869.49-54,004.17

Finding the Fourth Proportional to 106,579.65, 159,869.49 and 54,004.17

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Solution

The fourth proportional to 106,579.65, 159,869.49 and 54,004.17 is: 81,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,579.65 : 159,869.49 = 54,004.17 : x
  2. Step 2: Convert to fraction form
    106,579.65/159,869.49 = 54,004.17/x
  3. Step 3: Cross multiply
    106,579.65x = 159,869.49 × 54,004.17
  4. Step 4: Simplify right side
    106,579.65x = 8,633,619,115.77
  5. Step 5: Solve for x
    x = 8,633,619,115.77/106,579.65
  6. Step 6: Final answer
    x = 81,006.26

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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.