Home / 54,741.96-82,112.76-13,188.96

Finding the Fourth Proportional to 54,741.96, 82,112.76 and 13,188.96

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Solution

The fourth proportional to 54,741.96, 82,112.76 and 13,188.96 is: 19,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.96 : 82,112.76 = 13,188.96 : x
  2. Step 2: Convert to fraction form
    54,741.96/82,112.76 = 13,188.96/x
  3. Step 3: Cross multiply
    54,741.96x = 82,112.76 × 13,188.96
  4. Step 4: Simplify right side
    54,741.96x = 1,082,981,907.13
  5. Step 5: Solve for x
    x = 1,082,981,907.13/54,741.96
  6. Step 6: Final answer
    x = 19,783.40

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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.