Home / 55,118.88-82,612.68-38,388.33

Finding the Fourth Proportional to 55,118.88, 82,612.68 and 38,388.33

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Solution

The fourth proportional to 55,118.88, 82,612.68 and 38,388.33 is: 57,536.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,118.88 : 82,612.68 = 38,388.33 : x
  2. Step 2: Convert to fraction form
    55,118.88/82,612.68 = 38,388.33/x
  3. Step 3: Cross multiply
    55,118.88x = 82,612.68 × 38,388.33
  4. Step 4: Simplify right side
    55,118.88x = 3,171,362,822.02
  5. Step 5: Solve for x
    x = 3,171,362,822.02/55,118.88
  6. Step 6: Final answer
    x = 57,536.78

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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.