Home / 74,411.25-102,694.41-40,883.73

Finding the Fourth Proportional to 74,411.25, 102,694.41 and 40,883.73

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Solution

The fourth proportional to 74,411.25, 102,694.41 and 40,883.73 is: 56,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,411.25 : 102,694.41 = 40,883.73 : x
  2. Step 2: Convert to fraction form
    74,411.25/102,694.41 = 40,883.73/x
  3. Step 3: Cross multiply
    74,411.25x = 102,694.41 × 40,883.73
  4. Step 4: Simplify right side
    74,411.25x = 4,198,530,530.95
  5. Step 5: Solve for x
    x = 4,198,530,530.95/74,411.25
  6. Step 6: Final answer
    x = 56,423.33

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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.