Home / 69,790.33-104,713.49-25,420.15

Finding the Fourth Proportional to 69,790.33, 104,713.49 and 25,420.15

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Solution

The fourth proportional to 69,790.33, 104,713.49 and 25,420.15 is: 38,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790.33 : 104,713.49 = 25,420.15 : x
  2. Step 2: Convert to fraction form
    69,790.33/104,713.49 = 25,420.15/x
  3. Step 3: Cross multiply
    69,790.33x = 104,713.49 × 25,420.15
  4. Step 4: Simplify right side
    69,790.33x = 2,661,832,622.82
  5. Step 5: Solve for x
    x = 2,661,832,622.82/69,790.33
  6. Step 6: Final answer
    x = 38,140.42

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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.