Home / 53,844.36-80,763.57-18,786.48

Finding the Fourth Proportional to 53,844.36, 80,763.57 and 18,786.48

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Solution

The fourth proportional to 53,844.36, 80,763.57 and 18,786.48 is: 28,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,844.36 : 80,763.57 = 18,786.48 : x
  2. Step 2: Convert to fraction form
    53,844.36/80,763.57 = 18,786.48/x
  3. Step 3: Cross multiply
    53,844.36x = 80,763.57 × 18,786.48
  4. Step 4: Simplify right side
    53,844.36x = 1,517,263,192.53
  5. Step 5: Solve for x
    x = 1,517,263,192.53/53,844.36
  6. Step 6: Final answer
    x = 28,178.68

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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.