Home / 54,410.99-75,090.51-30,537.68

Finding the Fourth Proportional to 54,410.99, 75,090.51 and 30,537.68

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Solution

The fourth proportional to 54,410.99, 75,090.51 and 30,537.68 is: 42,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.99 : 75,090.51 = 30,537.68 : x
  2. Step 2: Convert to fraction form
    54,410.99/75,090.51 = 30,537.68/x
  3. Step 3: Cross multiply
    54,410.99x = 75,090.51 × 30,537.68
  4. Step 4: Simplify right side
    54,410.99x = 2,293,089,589.96
  5. Step 5: Solve for x
    x = 2,293,089,589.96/54,410.99
  6. Step 6: Final answer
    x = 42,143.87

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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.