Home / 69,255.14-103,867.62-18,652.92

Finding the Fourth Proportional to 69,255.14, 103,867.62 and 18,652.92

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Solution

The fourth proportional to 69,255.14, 103,867.62 and 18,652.92 is: 27,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,255.14 : 103,867.62 = 18,652.92 : x
  2. Step 2: Convert to fraction form
    69,255.14/103,867.62 = 18,652.92/x
  3. Step 3: Cross multiply
    69,255.14x = 103,867.62 × 18,652.92
  4. Step 4: Simplify right side
    69,255.14x = 1,937,433,947.00
  5. Step 5: Solve for x
    x = 1,937,433,947.00/69,255.14
  6. Step 6: Final answer
    x = 27,975.31

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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.