Home / 72,753.18-109,093.09-22,142.50

Finding the Fourth Proportional to 72,753.18, 109,093.09 and 22,142.50

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Solution

The fourth proportional to 72,753.18, 109,093.09 and 22,142.50 is: 33,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,753.18 : 109,093.09 = 22,142.50 : x
  2. Step 2: Convert to fraction form
    72,753.18/109,093.09 = 22,142.50/x
  3. Step 3: Cross multiply
    72,753.18x = 109,093.09 × 22,142.50
  4. Step 4: Simplify right side
    72,753.18x = 2,415,593,765.58
  5. Step 5: Solve for x
    x = 2,415,593,765.58/72,753.18
  6. Step 6: Final answer
    x = 33,202.59

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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.