Home / 55,867.08-83,782.62-18,418.44

Finding the Fourth Proportional to 55,867.08, 83,782.62 and 18,418.44

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Solution

The fourth proportional to 55,867.08, 83,782.62 and 18,418.44 is: 27,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867.08 : 83,782.62 = 18,418.44 : x
  2. Step 2: Convert to fraction form
    55,867.08/83,782.62 = 18,418.44/x
  3. Step 3: Cross multiply
    55,867.08x = 83,782.62 × 18,418.44
  4. Step 4: Simplify right side
    55,867.08x = 1,543,145,159.51
  5. Step 5: Solve for x
    x = 1,543,145,159.51/55,867.08
  6. Step 6: Final answer
    x = 27,621.73

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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.