Home / 54,447.55-75,132.39-30,568.75

Finding the Fourth Proportional to 54,447.55, 75,132.39 and 30,568.75

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Solution

The fourth proportional to 54,447.55, 75,132.39 and 30,568.75 is: 42,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447.55 : 75,132.39 = 30,568.75 : x
  2. Step 2: Convert to fraction form
    54,447.55/75,132.39 = 30,568.75/x
  3. Step 3: Cross multiply
    54,447.55x = 75,132.39 × 30,568.75
  4. Step 4: Simplify right side
    54,447.55x = 2,296,703,246.81
  5. Step 5: Solve for x
    x = 2,296,703,246.81/54,447.55
  6. Step 6: Final answer
    x = 42,181.94

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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.