Home / 69,878.38-104,730.09-55,028.65

Finding the Fourth Proportional to 69,878.38, 104,730.09 and 55,028.65

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Solution

The fourth proportional to 69,878.38, 104,730.09 and 55,028.65 is: 82,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,878.38 : 104,730.09 = 55,028.65 : x
  2. Step 2: Convert to fraction form
    69,878.38/104,730.09 = 55,028.65/x
  3. Step 3: Cross multiply
    69,878.38x = 104,730.09 × 55,028.65
  4. Step 4: Simplify right side
    69,878.38x = 5,763,155,467.08
  5. Step 5: Solve for x
    x = 5,763,155,467.08/69,878.38
  6. Step 6: Final answer
    x = 82,474.09

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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.