Home / 78,825.86-108,782.09-44,839.27

Finding the Fourth Proportional to 78,825.86, 108,782.09 and 44,839.27

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Solution

The fourth proportional to 78,825.86, 108,782.09 and 44,839.27 is: 61,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825.86 : 108,782.09 = 44,839.27 : x
  2. Step 2: Convert to fraction form
    78,825.86/108,782.09 = 44,839.27/x
  3. Step 3: Cross multiply
    78,825.86x = 108,782.09 × 44,839.27
  4. Step 4: Simplify right side
    78,825.86x = 4,877,709,584.60
  5. Step 5: Solve for x
    x = 4,877,709,584.60/78,825.86
  6. Step 6: Final answer
    x = 61,879.56

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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.