Home / 69,700.38-104,550.57-25,318.86

Finding the Fourth Proportional to 69,700.38, 104,550.57 and 25,318.86

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Solution

The fourth proportional to 69,700.38, 104,550.57 and 25,318.86 is: 37,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,700.38 : 104,550.57 = 25,318.86 : x
  2. Step 2: Convert to fraction form
    69,700.38/104,550.57 = 25,318.86/x
  3. Step 3: Cross multiply
    69,700.38x = 104,550.57 × 25,318.86
  4. Step 4: Simplify right side
    69,700.38x = 2,647,101,244.75
  5. Step 5: Solve for x
    x = 2,647,101,244.75/69,700.38
  6. Step 6: Final answer
    x = 37,978.29

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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.