Home / 78,913.44-118,371.24-44,074.80

Finding the Fourth Proportional to 78,913.44, 118,371.24 and 44,074.80

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Solution

The fourth proportional to 78,913.44, 118,371.24 and 44,074.80 is: 66,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,913.44 : 118,371.24 = 44,074.80 : x
  2. Step 2: Convert to fraction form
    78,913.44/118,371.24 = 44,074.80/x
  3. Step 3: Cross multiply
    78,913.44x = 118,371.24 × 44,074.80
  4. Step 4: Simplify right side
    78,913.44x = 5,217,188,728.75
  5. Step 5: Solve for x
    x = 5,217,188,728.75/78,913.44
  6. Step 6: Final answer
    x = 66,112.80

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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.