Home / 55,822.08-83,745.36-18,380.64

Finding the Fourth Proportional to 55,822.08, 83,745.36 and 18,380.64

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Solution

The fourth proportional to 55,822.08, 83,745.36 and 18,380.64 is: 27,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,822.08 : 83,745.36 = 18,380.64 : x
  2. Step 2: Convert to fraction form
    55,822.08/83,745.36 = 18,380.64/x
  3. Step 3: Cross multiply
    55,822.08x = 83,745.36 × 18,380.64
  4. Step 4: Simplify right side
    55,822.08x = 1,539,293,313.83
  5. Step 5: Solve for x
    x = 1,539,293,313.83/55,822.08
  6. Step 6: Final answer
    x = 27,574.99

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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.