Home / 51,171.72-76,615.83-26,157.90

Finding the Fourth Proportional to 51,171.72, 76,615.83 and 26,157.90

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Solution

The fourth proportional to 51,171.72, 76,615.83 and 26,157.90 is: 39,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.72 : 76,615.83 = 26,157.90 : x
  2. Step 2: Convert to fraction form
    51,171.72/76,615.83 = 26,157.90/x
  3. Step 3: Cross multiply
    51,171.72x = 76,615.83 × 26,157.90
  4. Step 4: Simplify right side
    51,171.72x = 2,004,109,219.56
  5. Step 5: Solve for x
    x = 2,004,109,219.56/51,171.72
  6. Step 6: Final answer
    x = 39,164.39

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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.