Home / 74,906.82-103,366.80-40,908.33

Finding the Fourth Proportional to 74,906.82, 103,366.80 and 40,908.33

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Solution

The fourth proportional to 74,906.82, 103,366.80 and 40,908.33 is: 56,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,906.82 : 103,366.80 = 40,908.33 : x
  2. Step 2: Convert to fraction form
    74,906.82/103,366.80 = 40,908.33/x
  3. Step 3: Cross multiply
    74,906.82x = 103,366.80 × 40,908.33
  4. Step 4: Simplify right side
    74,906.82x = 4,228,563,165.44
  5. Step 5: Solve for x
    x = 4,228,563,165.44/74,906.82
  6. Step 6: Final answer
    x = 56,450.98

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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.