Home / 73,077.48-109,420.35-50,843.88

Finding the Fourth Proportional to 73,077.48, 109,420.35 and 50,843.88

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Solution

The fourth proportional to 73,077.48, 109,420.35 and 50,843.88 is: 76,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,077.48 : 109,420.35 = 50,843.88 : x
  2. Step 2: Convert to fraction form
    73,077.48/109,420.35 = 50,843.88/x
  3. Step 3: Cross multiply
    73,077.48x = 109,420.35 × 50,843.88
  4. Step 4: Simplify right side
    73,077.48x = 5,563,355,144.96
  5. Step 5: Solve for x
    x = 5,563,355,144.96/73,077.48
  6. Step 6: Final answer
    x = 76,129.54

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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.