Home / 73,021.20-109,447.60-32,997

Finding the Fourth Proportional to 73,021.20, 109,447.60 and 32,997

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Solution

The fourth proportional to 73,021.20, 109,447.60 and 32,997 is: 49,457.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.20 : 109,447.60 = 32,997 : x
  2. Step 2: Convert to fraction form
    73,021.20/109,447.60 = 32,997/x
  3. Step 3: Cross multiply
    73,021.20x = 109,447.60 × 32,997
  4. Step 4: Simplify right side
    73,021.20x = 3,611,442,457.20
  5. Step 5: Solve for x
    x = 3,611,442,457.20/73,021.20
  6. Step 6: Final answer
    x = 49,457.45

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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.