Home / 103,776.97-155,728.46-41,442.25

Finding the Fourth Proportional to 103,776.97, 155,728.46 and 41,442.25

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Solution

The fourth proportional to 103,776.97, 155,728.46 and 41,442.25 is: 62,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,776.97 : 155,728.46 = 41,442.25 : x
  2. Step 2: Convert to fraction form
    103,776.97/155,728.46 = 41,442.25/x
  3. Step 3: Cross multiply
    103,776.97x = 155,728.46 × 41,442.25
  4. Step 4: Simplify right side
    103,776.97x = 6,453,737,771.44
  5. Step 5: Solve for x
    x = 6,453,737,771.44/103,776.97
  6. Step 6: Final answer
    x = 62,188.54

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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.