Home / 78,919.33-108,881.66-44,919.31

Finding the Fourth Proportional to 78,919.33, 108,881.66 and 44,919.31

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Solution

The fourth proportional to 78,919.33, 108,881.66 and 44,919.31 is: 61,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,919.33 : 108,881.66 = 44,919.31 : x
  2. Step 2: Convert to fraction form
    78,919.33/108,881.66 = 44,919.31/x
  3. Step 3: Cross multiply
    78,919.33x = 108,881.66 × 44,919.31
  4. Step 4: Simplify right side
    78,919.33x = 4,890,888,269.85
  5. Step 5: Solve for x
    x = 4,890,888,269.85/78,919.33
  6. Step 6: Final answer
    x = 61,973.27

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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.