Home / 54,412.22-75,096.19-30,540.20

Finding the Fourth Proportional to 54,412.22, 75,096.19 and 30,540.20

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Solution

The fourth proportional to 54,412.22, 75,096.19 and 30,540.20 is: 42,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,412.22 : 75,096.19 = 30,540.20 : x
  2. Step 2: Convert to fraction form
    54,412.22/75,096.19 = 30,540.20/x
  3. Step 3: Cross multiply
    54,412.22x = 75,096.19 × 30,540.20
  4. Step 4: Simplify right side
    54,412.22x = 2,293,452,661.84
  5. Step 5: Solve for x
    x = 2,293,452,661.84/54,412.22
  6. Step 6: Final answer
    x = 42,149.59

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1.5x scale

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.