Home / 68,935.92-103,338.16-22,155.92

Finding the Fourth Proportional to 68,935.92, 103,338.16 and 22,155.92

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Solution

The fourth proportional to 68,935.92, 103,338.16 and 22,155.92 is: 33,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.92 : 103,338.16 = 22,155.92 : x
  2. Step 2: Convert to fraction form
    68,935.92/103,338.16 = 22,155.92/x
  3. Step 3: Cross multiply
    68,935.92x = 103,338.16 × 22,155.92
  4. Step 4: Simplify right side
    68,935.92x = 2,289,552,005.91
  5. Step 5: Solve for x
    x = 2,289,552,005.91/68,935.92
  6. Step 6: Final answer
    x = 33,212.76

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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.