Home / 54,119.06-81,186.69-19,052.54

Finding the Fourth Proportional to 54,119.06, 81,186.69 and 19,052.54

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Solution

The fourth proportional to 54,119.06, 81,186.69 and 19,052.54 is: 28,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.06 : 81,186.69 = 19,052.54 : x
  2. Step 2: Convert to fraction form
    54,119.06/81,186.69 = 19,052.54/x
  3. Step 3: Cross multiply
    54,119.06x = 81,186.69 × 19,052.54
  4. Step 4: Simplify right side
    54,119.06x = 1,546,812,658.69
  5. Step 5: Solve for x
    x = 1,546,812,658.69/54,119.06
  6. Step 6: Final answer
    x = 28,581.66

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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.