Home / 51,108.72-76,651.56-14,175.60

Finding the Fourth Proportional to 51,108.72, 76,651.56 and 14,175.60

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Solution

The fourth proportional to 51,108.72, 76,651.56 and 14,175.60 is: 21,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.72 : 76,651.56 = 14,175.60 : x
  2. Step 2: Convert to fraction form
    51,108.72/76,651.56 = 14,175.60/x
  3. Step 3: Cross multiply
    51,108.72x = 76,651.56 × 14,175.60
  4. Step 4: Simplify right side
    51,108.72x = 1,086,581,853.94
  5. Step 5: Solve for x
    x = 1,086,581,853.94/51,108.72
  6. Step 6: Final answer
    x = 21,260.20

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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.