Home / 78,815.88-108,768.31-44,829.26

Finding the Fourth Proportional to 78,815.88, 108,768.31 and 44,829.26

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Solution

The fourth proportional to 78,815.88, 108,768.31 and 44,829.26 is: 61,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,815.88 : 108,768.31 = 44,829.26 : x
  2. Step 2: Convert to fraction form
    78,815.88/108,768.31 = 44,829.26/x
  3. Step 3: Cross multiply
    78,815.88x = 108,768.31 × 44,829.26
  4. Step 4: Simplify right side
    78,815.88x = 4,876,002,600.72
  5. Step 5: Solve for x
    x = 4,876,002,600.72/78,815.88
  6. Step 6: Final answer
    x = 61,865.74

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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.