Home / 73,239.13-109,848.97-20,652.85

Finding the Fourth Proportional to 73,239.13, 109,848.97 and 20,652.85

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Solution

The fourth proportional to 73,239.13, 109,848.97 and 20,652.85 is: 30,976.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,239.13 : 109,848.97 = 20,652.85 : x
  2. Step 2: Convert to fraction form
    73,239.13/109,848.97 = 20,652.85/x
  3. Step 3: Cross multiply
    73,239.13x = 109,848.97 × 20,652.85
  4. Step 4: Simplify right side
    73,239.13x = 2,268,694,300.06
  5. Step 5: Solve for x
    x = 2,268,694,300.06/73,239.13
  6. Step 6: Final answer
    x = 30,976.53

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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.