Home / 60,078.38-90,122.49-18,525.38

Finding the Fourth Proportional to 60,078.38, 90,122.49 and 18,525.38

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Solution

The fourth proportional to 60,078.38, 90,122.49 and 18,525.38 is: 27,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,078.38 : 90,122.49 = 18,525.38 : x
  2. Step 2: Convert to fraction form
    60,078.38/90,122.49 = 18,525.38/x
  3. Step 3: Cross multiply
    60,078.38x = 90,122.49 × 18,525.38
  4. Step 4: Simplify right side
    60,078.38x = 1,669,552,923.18
  5. Step 5: Solve for x
    x = 1,669,552,923.18/60,078.38
  6. Step 6: Final answer
    x = 27,789.58

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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.