Home / 69,796.95-104,694.07-19,877.37

Finding the Fourth Proportional to 69,796.95, 104,694.07 and 19,877.37

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Solution

The fourth proportional to 69,796.95, 104,694.07 and 19,877.37 is: 29,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.95 : 104,694.07 = 19,877.37 : x
  2. Step 2: Convert to fraction form
    69,796.95/104,694.07 = 19,877.37/x
  3. Step 3: Cross multiply
    69,796.95x = 104,694.07 × 19,877.37
  4. Step 4: Simplify right side
    69,796.95x = 2,081,042,766.20
  5. Step 5: Solve for x
    x = 2,081,042,766.20/69,796.95
  6. Step 6: Final answer
    x = 29,815.67

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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.