Home / 69,855.86-104,782.75-17,265.32

Finding the Fourth Proportional to 69,855.86, 104,782.75 and 17,265.32

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Solution

The fourth proportional to 69,855.86, 104,782.75 and 17,265.32 is: 25,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,855.86 : 104,782.75 = 17,265.32 : x
  2. Step 2: Convert to fraction form
    69,855.86/104,782.75 = 17,265.32/x
  3. Step 3: Cross multiply
    69,855.86x = 104,782.75 × 17,265.32
  4. Step 4: Simplify right side
    69,855.86x = 1,809,107,928.02
  5. Step 5: Solve for x
    x = 1,809,107,928.02/69,855.86
  6. Step 6: Final answer
    x = 25,897.73

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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.