Home / 69,883.21-104,823.60-17,292.70

Finding the Fourth Proportional to 69,883.21, 104,823.60 and 17,292.70

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Solution

The fourth proportional to 69,883.21, 104,823.60 and 17,292.70 is: 25,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,883.21 : 104,823.60 = 17,292.70 : x
  2. Step 2: Convert to fraction form
    69,883.21/104,823.60 = 17,292.70/x
  3. Step 3: Cross multiply
    69,883.21x = 104,823.60 × 17,292.70
  4. Step 4: Simplify right side
    69,883.21x = 1,812,683,067.72
  5. Step 5: Solve for x
    x = 1,812,683,067.72/69,883.21
  6. Step 6: Final answer
    x = 25,938.75

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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.