Home / 106,610.11-159,939.77-56,738.31

Finding the Fourth Proportional to 106,610.11, 159,939.77 and 56,738.31

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Solution

The fourth proportional to 106,610.11, 159,939.77 and 56,738.31 is: 85,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,610.11 : 159,939.77 = 56,738.31 : x
  2. Step 2: Convert to fraction form
    106,610.11/159,939.77 = 56,738.31/x
  3. Step 3: Cross multiply
    106,610.11x = 159,939.77 × 56,738.31
  4. Step 4: Simplify right side
    106,610.11x = 9,074,712,251.59
  5. Step 5: Solve for x
    x = 9,074,712,251.59/106,610.11
  6. Step 6: Final answer
    x = 85,120.56

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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.