Home / 66,183.21-91,332.72-35,968.44

Finding the Fourth Proportional to 66,183.21, 91,332.72 and 35,968.44

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Solution

The fourth proportional to 66,183.21, 91,332.72 and 35,968.44 is: 49,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,183.21 : 91,332.72 = 35,968.44 : x
  2. Step 2: Convert to fraction form
    66,183.21/91,332.72 = 35,968.44/x
  3. Step 3: Cross multiply
    66,183.21x = 91,332.72 × 35,968.44
  4. Step 4: Simplify right side
    66,183.21x = 3,285,095,459.36
  5. Step 5: Solve for x
    x = 3,285,095,459.36/66,183.21
  6. Step 6: Final answer
    x = 49,636.39

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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.