Home / 75,682.78-113,524.19-31,260.70

Finding the Fourth Proportional to 75,682.78, 113,524.19 and 31,260.70

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Solution

The fourth proportional to 75,682.78, 113,524.19 and 31,260.70 is: 46,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,682.78 : 113,524.19 = 31,260.70 : x
  2. Step 2: Convert to fraction form
    75,682.78/113,524.19 = 31,260.70/x
  3. Step 3: Cross multiply
    75,682.78x = 113,524.19 × 31,260.70
  4. Step 4: Simplify right side
    75,682.78x = 3,548,845,646.33
  5. Step 5: Solve for x
    x = 3,548,845,646.33/75,682.78
  6. Step 6: Final answer
    x = 46,891.06

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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.