Home / 89,944.83-124,121.88-49,107.56

Finding the Fourth Proportional to 89,944.83, 124,121.88 and 49,107.56

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Solution

The fourth proportional to 89,944.83, 124,121.88 and 49,107.56 is: 67,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,944.83 : 124,121.88 = 49,107.56 : x
  2. Step 2: Convert to fraction form
    89,944.83/124,121.88 = 49,107.56/x
  3. Step 3: Cross multiply
    89,944.83x = 124,121.88 × 49,107.56
  4. Step 4: Simplify right side
    89,944.83x = 6,095,322,048.80
  5. Step 5: Solve for x
    x = 6,095,322,048.80/89,944.83
  6. Step 6: Final answer
    x = 67,767.34

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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.