Home / 106,908.39-160,363.28-28,021.94

Finding the Fourth Proportional to 106,908.39, 160,363.28 and 28,021.94

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Solution

The fourth proportional to 106,908.39, 160,363.28 and 28,021.94 is: 42,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,908.39 : 160,363.28 = 28,021.94 : x
  2. Step 2: Convert to fraction form
    106,908.39/160,363.28 = 28,021.94/x
  3. Step 3: Cross multiply
    106,908.39x = 160,363.28 × 28,021.94
  4. Step 4: Simplify right side
    106,908.39x = 4,493,690,210.36
  5. Step 5: Solve for x
    x = 4,493,690,210.36/106,908.39
  6. Step 6: Final answer
    x = 42,033.09

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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.