Home / 74,196.20-102,395.78-41,919.62

Finding the Fourth Proportional to 74,196.20, 102,395.78 and 41,919.62

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Solution

The fourth proportional to 74,196.20, 102,395.78 and 41,919.62 is: 57,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,196.20 : 102,395.78 = 41,919.62 : x
  2. Step 2: Convert to fraction form
    74,196.20/102,395.78 = 41,919.62/x
  3. Step 3: Cross multiply
    74,196.20x = 102,395.78 × 41,919.62
  4. Step 4: Simplify right side
    74,196.20x = 4,292,392,187.20
  5. Step 5: Solve for x
    x = 4,292,392,187.20/74,196.20
  6. Step 6: Final answer
    x = 57,851.91

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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.