Home / 75,682.28-113,523.44-31,260.20

Finding the Fourth Proportional to 75,682.28, 113,523.44 and 31,260.20

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Solution

The fourth proportional to 75,682.28, 113,523.44 and 31,260.20 is: 46,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,682.28 : 113,523.44 = 31,260.20 : x
  2. Step 2: Convert to fraction form
    75,682.28/113,523.44 = 31,260.20/x
  3. Step 3: Cross multiply
    75,682.28x = 113,523.44 × 31,260.20
  4. Step 4: Simplify right side
    75,682.28x = 3,548,765,439.09
  5. Step 5: Solve for x
    x = 3,548,765,439.09/75,682.28
  6. Step 6: Final answer
    x = 46,890.31

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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.