Home / 52,047.12-78,022.83-18,759.03

Finding the Fourth Proportional to 52,047.12, 78,022.83 and 18,759.03

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Solution

The fourth proportional to 52,047.12, 78,022.83 and 18,759.03 is: 28,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.12 : 78,022.83 = 18,759.03 : x
  2. Step 2: Convert to fraction form
    52,047.12/78,022.83 = 18,759.03/x
  3. Step 3: Cross multiply
    52,047.12x = 78,022.83 × 18,759.03
  4. Step 4: Simplify right side
    52,047.12x = 1,463,632,608.65
  5. Step 5: Solve for x
    x = 1,463,632,608.65/52,047.12
  6. Step 6: Final answer
    x = 28,121.30

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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.