Home / 51,410.52-77,115.67-13,976.03

Finding the Fourth Proportional to 51,410.52, 77,115.67 and 13,976.03

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Solution

The fourth proportional to 51,410.52, 77,115.67 and 13,976.03 is: 20,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,410.52 : 77,115.67 = 13,976.03 : x
  2. Step 2: Convert to fraction form
    51,410.52/77,115.67 = 13,976.03/x
  3. Step 3: Cross multiply
    51,410.52x = 77,115.67 × 13,976.03
  4. Step 4: Simplify right side
    51,410.52x = 1,077,770,917.39
  5. Step 5: Solve for x
    x = 1,077,770,917.39/51,410.52
  6. Step 6: Final answer
    x = 20,964.02

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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.