Home / 74,911.52-103,375.92-41,376.80

Finding the Fourth Proportional to 74,911.52, 103,375.92 and 41,376.80

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Solution

The fourth proportional to 74,911.52, 103,375.92 and 41,376.80 is: 57,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911.52 : 103,375.92 = 41,376.80 : x
  2. Step 2: Convert to fraction form
    74,911.52/103,375.92 = 41,376.80/x
  3. Step 3: Cross multiply
    74,911.52x = 103,375.92 × 41,376.80
  4. Step 4: Simplify right side
    74,911.52x = 4,277,364,766.66
  5. Step 5: Solve for x
    x = 4,277,364,766.66/74,911.52
  6. Step 6: Final answer
    x = 57,098.89

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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.