Home / 106,412.67-159,511.27-68,996.43

Finding the Fourth Proportional to 106,412.67, 159,511.27 and 68,996.43

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Solution

The fourth proportional to 106,412.67, 159,511.27 and 68,996.43 is: 103,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412.67 : 159,511.27 = 68,996.43 : x
  2. Step 2: Convert to fraction form
    106,412.67/159,511.27 = 68,996.43/x
  3. Step 3: Cross multiply
    106,412.67x = 159,511.27 × 68,996.43
  4. Step 4: Simplify right side
    106,412.67x = 11,005,708,174.77
  5. Step 5: Solve for x
    x = 11,005,708,174.77/106,412.67
  6. Step 6: Final answer
    x = 103,424.79

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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.