Home / 106,869.60-160,290.72-27,983.52

Finding the Fourth Proportional to 106,869.60, 160,290.72 and 27,983.52

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Solution

The fourth proportional to 106,869.60, 160,290.72 and 27,983.52 is: 41,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,869.60 : 160,290.72 = 27,983.52 : x
  2. Step 2: Convert to fraction form
    106,869.60/160,290.72 = 27,983.52/x
  3. Step 3: Cross multiply
    106,869.60x = 160,290.72 × 27,983.52
  4. Step 4: Simplify right side
    106,869.60x = 4,485,498,568.93
  5. Step 5: Solve for x
    x = 4,485,498,568.93/106,869.60
  6. Step 6: Final answer
    x = 41,971.70

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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.