Home / 69,959.27-104,872.79-27,865.35

Finding the Fourth Proportional to 69,959.27, 104,872.79 and 27,865.35

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Solution

The fourth proportional to 69,959.27, 104,872.79 and 27,865.35 is: 41,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,959.27 : 104,872.79 = 27,865.35 : x
  2. Step 2: Convert to fraction form
    69,959.27/104,872.79 = 27,865.35/x
  3. Step 3: Cross multiply
    69,959.27x = 104,872.79 × 27,865.35
  4. Step 4: Simplify right side
    69,959.27x = 2,922,317,068.49
  5. Step 5: Solve for x
    x = 2,922,317,068.49/69,959.27
  6. Step 6: Final answer
    x = 41,771.69

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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.