Home / 74,768.74-112,135.82-22,165.54

Finding the Fourth Proportional to 74,768.74, 112,135.82 and 22,165.54

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Solution

The fourth proportional to 74,768.74, 112,135.82 and 22,165.54 is: 33,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,768.74 : 112,135.82 = 22,165.54 : x
  2. Step 2: Convert to fraction form
    74,768.74/112,135.82 = 22,165.54/x
  3. Step 3: Cross multiply
    74,768.74x = 112,135.82 × 22,165.54
  4. Step 4: Simplify right side
    74,768.74x = 2,485,551,003.64
  5. Step 5: Solve for x
    x = 2,485,551,003.64/74,768.74
  6. Step 6: Final answer
    x = 33,243.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.