Home / 69,109.86-95,367.66-38,896.44

Finding the Fourth Proportional to 69,109.86, 95,367.66 and 38,896.44

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Solution

The fourth proportional to 69,109.86, 95,367.66 and 38,896.44 is: 53,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.86 : 95,367.66 = 38,896.44 : x
  2. Step 2: Convert to fraction form
    69,109.86/95,367.66 = 38,896.44/x
  3. Step 3: Cross multiply
    69,109.86x = 95,367.66 × 38,896.44
  4. Step 4: Simplify right side
    69,109.86x = 3,709,462,465.13
  5. Step 5: Solve for x
    x = 3,709,462,465.13/69,109.86
  6. Step 6: Final answer
    x = 53,674.87

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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.