Home / 69,643.07-104,480.32-25,269.75

Finding the Fourth Proportional to 69,643.07, 104,480.32 and 25,269.75

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Solution

The fourth proportional to 69,643.07, 104,480.32 and 25,269.75 is: 37,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,643.07 : 104,480.32 = 25,269.75 : x
  2. Step 2: Convert to fraction form
    69,643.07/104,480.32 = 25,269.75/x
  3. Step 3: Cross multiply
    69,643.07x = 104,480.32 × 25,269.75
  4. Step 4: Simplify right side
    69,643.07x = 2,640,191,566.32
  5. Step 5: Solve for x
    x = 2,640,191,566.32/69,643.07
  6. Step 6: Final answer
    x = 37,910.33

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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.