Home / 69,634.40-104,451.36-17,043.20

Finding the Fourth Proportional to 69,634.40, 104,451.36 and 17,043.20

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Solution

The fourth proportional to 69,634.40, 104,451.36 and 17,043.20 is: 25,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,634.40 : 104,451.36 = 17,043.20 : x
  2. Step 2: Convert to fraction form
    69,634.40/104,451.36 = 17,043.20/x
  3. Step 3: Cross multiply
    69,634.40x = 104,451.36 × 17,043.20
  4. Step 4: Simplify right side
    69,634.40x = 1,780,185,418.75
  5. Step 5: Solve for x
    x = 1,780,185,418.75/69,634.40
  6. Step 6: Final answer
    x = 25,564.74

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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.