Home / 75,107.18-103,647.20-41,115.33

Finding the Fourth Proportional to 75,107.18, 103,647.20 and 41,115.33

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Solution

The fourth proportional to 75,107.18, 103,647.20 and 41,115.33 is: 56,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,107.18 : 103,647.20 = 41,115.33 : x
  2. Step 2: Convert to fraction form
    75,107.18/103,647.20 = 41,115.33/x
  3. Step 3: Cross multiply
    75,107.18x = 103,647.20 × 41,115.33
  4. Step 4: Simplify right side
    75,107.18x = 4,261,488,626.00
  5. Step 5: Solve for x
    x = 4,261,488,626.00/75,107.18
  6. Step 6: Final answer
    x = 56,738.76

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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.