Home / 52,067.54-78,085.14-18,783.28

Finding the Fourth Proportional to 52,067.54, 78,085.14 and 18,783.28

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Solution

The fourth proportional to 52,067.54, 78,085.14 and 18,783.28 is: 28,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067.54 : 78,085.14 = 18,783.28 : x
  2. Step 2: Convert to fraction form
    52,067.54/78,085.14 = 18,783.28/x
  3. Step 3: Cross multiply
    52,067.54x = 78,085.14 × 18,783.28
  4. Step 4: Simplify right side
    52,067.54x = 1,466,694,923.68
  5. Step 5: Solve for x
    x = 1,466,694,923.68/52,067.54
  6. Step 6: Final answer
    x = 28,169.08

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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.