Home / 75,658.10-113,500.96-31,260.78

Finding the Fourth Proportional to 75,658.10, 113,500.96 and 31,260.78

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Solution

The fourth proportional to 75,658.10, 113,500.96 and 31,260.78 is: 46,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,658.10 : 113,500.96 = 31,260.78 : x
  2. Step 2: Convert to fraction form
    75,658.10/113,500.96 = 31,260.78/x
  3. Step 3: Cross multiply
    75,658.10x = 113,500.96 × 31,260.78
  4. Step 4: Simplify right side
    75,658.10x = 3,548,128,540.35
  5. Step 5: Solve for x
    x = 3,548,128,540.35/75,658.10
  6. Step 6: Final answer
    x = 46,896.88

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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.