Home / 51,718.37-77,643.23-43,976.39

Finding the Fourth Proportional to 51,718.37, 77,643.23 and 43,976.39

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Solution

The fourth proportional to 51,718.37, 77,643.23 and 43,976.39 is: 66,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.37 : 77,643.23 = 43,976.39 : x
  2. Step 2: Convert to fraction form
    51,718.37/77,643.23 = 43,976.39/x
  3. Step 3: Cross multiply
    51,718.37x = 77,643.23 × 43,976.39
  4. Step 4: Simplify right side
    51,718.37x = 3,414,468,355.24
  5. Step 5: Solve for x
    x = 3,414,468,355.24/51,718.37
  6. Step 6: Final answer
    x = 66,020.42

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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.