Home / 74,520.38-102,786.06-50,605.52

Finding the Fourth Proportional to 74,520.38, 102,786.06 and 50,605.52

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Solution

The fourth proportional to 74,520.38, 102,786.06 and 50,605.52 is: 69,800.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,520.38 : 102,786.06 = 50,605.52 : x
  2. Step 2: Convert to fraction form
    74,520.38/102,786.06 = 50,605.52/x
  3. Step 3: Cross multiply
    74,520.38x = 102,786.06 × 50,605.52
  4. Step 4: Simplify right side
    74,520.38x = 5,201,542,015.05
  5. Step 5: Solve for x
    x = 5,201,542,015.05/74,520.38
  6. Step 6: Final answer
    x = 69,800.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.