Home / 52,180.96-78,282.78-17,119.30

Finding the Fourth Proportional to 52,180.96, 78,282.78 and 17,119.30

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Solution

The fourth proportional to 52,180.96, 78,282.78 and 17,119.30 is: 25,682.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180.96 : 78,282.78 = 17,119.30 : x
  2. Step 2: Convert to fraction form
    52,180.96/78,282.78 = 17,119.30/x
  3. Step 3: Cross multiply
    52,180.96x = 78,282.78 × 17,119.30
  4. Step 4: Simplify right side
    52,180.96x = 1,340,145,918.64
  5. Step 5: Solve for x
    x = 1,340,145,918.64/52,180.96
  6. Step 6: Final answer
    x = 25,682.66

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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.