Home / 103,213.73-154,783.44-35,727.43

Finding the Fourth Proportional to 103,213.73, 154,783.44 and 35,727.43

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Solution

The fourth proportional to 103,213.73, 154,783.44 and 35,727.43 is: 53,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,213.73 : 154,783.44 = 35,727.43 : x
  2. Step 2: Convert to fraction form
    103,213.73/154,783.44 = 35,727.43/x
  3. Step 3: Cross multiply
    103,213.73x = 154,783.44 × 35,727.43
  4. Step 4: Simplify right side
    103,213.73x = 5,530,013,840.58
  5. Step 5: Solve for x
    x = 5,530,013,840.58/103,213.73
  6. Step 6: Final answer
    x = 53,578.28

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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.