Home / 64,548.20-96,822.38-20,175.19

Finding the Fourth Proportional to 64,548.20, 96,822.38 and 20,175.19

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Solution

The fourth proportional to 64,548.20, 96,822.38 and 20,175.19 is: 30,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,548.20 : 96,822.38 = 20,175.19 : x
  2. Step 2: Convert to fraction form
    64,548.20/96,822.38 = 20,175.19/x
  3. Step 3: Cross multiply
    64,548.20x = 96,822.38 × 20,175.19
  4. Step 4: Simplify right side
    64,548.20x = 1,953,409,912.75
  5. Step 5: Solve for x
    x = 1,953,409,912.75/64,548.20
  6. Step 6: Final answer
    x = 30,262.81

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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.