Home / 74,589.36-111,884.37-30,216.96

Finding the Fourth Proportional to 74,589.36, 111,884.37 and 30,216.96

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Solution

The fourth proportional to 74,589.36, 111,884.37 and 30,216.96 is: 45,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,589.36 : 111,884.37 = 30,216.96 : x
  2. Step 2: Convert to fraction form
    74,589.36/111,884.37 = 30,216.96/x
  3. Step 3: Cross multiply
    74,589.36x = 111,884.37 × 30,216.96
  4. Step 4: Simplify right side
    74,589.36x = 3,380,805,532.92
  5. Step 5: Solve for x
    x = 3,380,805,532.92/74,589.36
  6. Step 6: Final answer
    x = 45,325.57

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1.5x scale

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.