Home / 106,890.80-160,360.49-56,944.58

Finding the Fourth Proportional to 106,890.80, 160,360.49 and 56,944.58

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Solution

The fourth proportional to 106,890.80, 160,360.49 and 56,944.58 is: 85,429.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,890.80 : 160,360.49 = 56,944.58 : x
  2. Step 2: Convert to fraction form
    106,890.80/160,360.49 = 56,944.58/x
  3. Step 3: Cross multiply
    106,890.80x = 160,360.49 × 56,944.58
  4. Step 4: Simplify right side
    106,890.80x = 9,131,660,092.20
  5. Step 5: Solve for x
    x = 9,131,660,092.20/106,890.80
  6. Step 6: Final answer
    x = 85,429.81

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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.