Home / 52,469.85-78,716.48-19,189.18

Finding the Fourth Proportional to 52,469.85, 78,716.48 and 19,189.18

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Solution

The fourth proportional to 52,469.85, 78,716.48 and 19,189.18 is: 28,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,469.85 : 78,716.48 = 19,189.18 : x
  2. Step 2: Convert to fraction form
    52,469.85/78,716.48 = 19,189.18/x
  3. Step 3: Cross multiply
    52,469.85x = 78,716.48 × 19,189.18
  4. Step 4: Simplify right side
    52,469.85x = 1,510,504,706.14
  5. Step 5: Solve for x
    x = 1,510,504,706.14/52,469.85
  6. Step 6: Final answer
    x = 28,788.05

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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.