Home / 74,234.10-102,305.66-52,724.78

Finding the Fourth Proportional to 74,234.10, 102,305.66 and 52,724.78

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Solution

The fourth proportional to 74,234.10, 102,305.66 and 52,724.78 is: 72,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.10 : 102,305.66 = 52,724.78 : x
  2. Step 2: Convert to fraction form
    74,234.10/102,305.66 = 52,724.78/x
  3. Step 3: Cross multiply
    74,234.10x = 102,305.66 × 52,724.78
  4. Step 4: Simplify right side
    74,234.10x = 5,394,043,416.25
  5. Step 5: Solve for x
    x = 5,394,043,416.25/74,234.10
  6. Step 6: Final answer
    x = 72,662.61

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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.