Home / 89,838.46-123,976.82-51,600.48

Finding the Fourth Proportional to 89,838.46, 123,976.82 and 51,600.48

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Solution

The fourth proportional to 89,838.46, 123,976.82 and 51,600.48 is: 71,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,838.46 : 123,976.82 = 51,600.48 : x
  2. Step 2: Convert to fraction form
    89,838.46/123,976.82 = 51,600.48/x
  3. Step 3: Cross multiply
    89,838.46x = 123,976.82 × 51,600.48
  4. Step 4: Simplify right side
    89,838.46x = 6,397,263,420.87
  5. Step 5: Solve for x
    x = 6,397,263,420.87/89,838.46
  6. Step 6: Final answer
    x = 71,208.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.