Home / 65,748.05-98,644.97-20,776.27

Finding the Fourth Proportional to 65,748.05, 98,644.97 and 20,776.27

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Solution

The fourth proportional to 65,748.05, 98,644.97 and 20,776.27 is: 31,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,748.05 : 98,644.97 = 20,776.27 : x
  2. Step 2: Convert to fraction form
    65,748.05/98,644.97 = 20,776.27/x
  3. Step 3: Cross multiply
    65,748.05x = 98,644.97 × 20,776.27
  4. Step 4: Simplify right side
    65,748.05x = 2,049,474,530.86
  5. Step 5: Solve for x
    x = 2,049,474,530.86/65,748.05
  6. Step 6: Final answer
    x = 31,171.64

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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.