Home / 74,374-102,625.79-43,748.48

Finding the Fourth Proportional to 74,374, 102,625.79 and 43,748.48

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Solution

The fourth proportional to 74,374, 102,625.79 and 43,748.48 is: 60,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,374 : 102,625.79 = 43,748.48 : x
  2. Step 2: Convert to fraction form
    74,374/102,625.79 = 43,748.48/x
  3. Step 3: Cross multiply
    74,374x = 102,625.79 × 43,748.48
  4. Step 4: Simplify right side
    74,374x = 4,489,722,321.30
  5. Step 5: Solve for x
    x = 4,489,722,321.30/74,374
  6. Step 6: Final answer
    x = 60,366.83

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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.