Home / 69,708.86-104,563.64-17,118.36

Finding the Fourth Proportional to 69,708.86, 104,563.64 and 17,118.36

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Solution

The fourth proportional to 69,708.86, 104,563.64 and 17,118.36 is: 25,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.86 : 104,563.64 = 17,118.36 : x
  2. Step 2: Convert to fraction form
    69,708.86/104,563.64 = 17,118.36/x
  3. Step 3: Cross multiply
    69,708.86x = 104,563.64 × 17,118.36
  4. Step 4: Simplify right side
    69,708.86x = 1,789,957,946.84
  5. Step 5: Solve for x
    x = 1,789,957,946.84/69,708.86
  6. Step 6: Final answer
    x = 25,677.63

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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.