Home / 54,486.96-75,189.92-30,614.64

Finding the Fourth Proportional to 54,486.96, 75,189.92 and 30,614.64

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Solution

The fourth proportional to 54,486.96, 75,189.92 and 30,614.64 is: 42,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,486.96 : 75,189.92 = 30,614.64 : x
  2. Step 2: Convert to fraction form
    54,486.96/75,189.92 = 30,614.64/x
  3. Step 3: Cross multiply
    54,486.96x = 75,189.92 × 30,614.64
  4. Step 4: Simplify right side
    54,486.96x = 2,301,912,179.36
  5. Step 5: Solve for x
    x = 2,301,912,179.36/54,486.96
  6. Step 6: Final answer
    x = 42,247.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.