Home / 95,771.75-143,657.64-30,107.75

Finding the Fourth Proportional to 95,771.75, 143,657.64 and 30,107.75

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Solution

The fourth proportional to 95,771.75, 143,657.64 and 30,107.75 is: 45,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,771.75 : 143,657.64 = 30,107.75 : x
  2. Step 2: Convert to fraction form
    95,771.75/143,657.64 = 30,107.75/x
  3. Step 3: Cross multiply
    95,771.75x = 143,657.64 × 30,107.75
  4. Step 4: Simplify right side
    95,771.75x = 4,325,208,310.71
  5. Step 5: Solve for x
    x = 4,325,208,310.71/95,771.75
  6. Step 6: Final answer
    x = 45,161.63

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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.