Home / 69,415.65-104,122.53-16,825.59

Finding the Fourth Proportional to 69,415.65, 104,122.53 and 16,825.59

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Solution

The fourth proportional to 69,415.65, 104,122.53 and 16,825.59 is: 25,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,415.65 : 104,122.53 = 16,825.59 : x
  2. Step 2: Convert to fraction form
    69,415.65/104,122.53 = 16,825.59/x
  3. Step 3: Cross multiply
    69,415.65x = 104,122.53 × 16,825.59
  4. Step 4: Simplify right side
    69,415.65x = 1,751,922,999.54
  5. Step 5: Solve for x
    x = 1,751,922,999.54/69,415.65
  6. Step 6: Final answer
    x = 25,238.16

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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.