Home / 73,181.05-109,808.46-28,839.62

Finding the Fourth Proportional to 73,181.05, 109,808.46 and 28,839.62

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Solution

The fourth proportional to 73,181.05, 109,808.46 and 28,839.62 is: 43,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,181.05 : 109,808.46 = 28,839.62 : x
  2. Step 2: Convert to fraction form
    73,181.05/109,808.46 = 28,839.62/x
  3. Step 3: Cross multiply
    73,181.05x = 109,808.46 × 28,839.62
  4. Step 4: Simplify right side
    73,181.05x = 3,166,834,533.71
  5. Step 5: Solve for x
    x = 3,166,834,533.71/73,181.05
  6. Step 6: Final answer
    x = 43,273.97

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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.