Home / 64,606.74-96,910.10-20,236.96

Finding the Fourth Proportional to 64,606.74, 96,910.10 and 20,236.96

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Solution

The fourth proportional to 64,606.74, 96,910.10 and 20,236.96 is: 30,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,606.74 : 96,910.10 = 20,236.96 : x
  2. Step 2: Convert to fraction form
    64,606.74/96,910.10 = 20,236.96/x
  3. Step 3: Cross multiply
    64,606.74x = 96,910.10 × 20,236.96
  4. Step 4: Simplify right side
    64,606.74x = 1,961,165,817.30
  5. Step 5: Solve for x
    x = 1,961,165,817.30/64,606.74
  6. Step 6: Final answer
    x = 30,355.44

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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.