Home / 96,621.80-145,004.70-49,850.60

Finding the Fourth Proportional to 96,621.80, 145,004.70 and 49,850.60

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Solution

The fourth proportional to 96,621.80, 145,004.70 and 49,850.60 is: 74,813.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,621.80 : 145,004.70 = 49,850.60 : x
  2. Step 2: Convert to fraction form
    96,621.80/145,004.70 = 49,850.60/x
  3. Step 3: Cross multiply
    96,621.80x = 145,004.70 × 49,850.60
  4. Step 4: Simplify right side
    96,621.80x = 7,228,571,297.82
  5. Step 5: Solve for x
    x = 7,228,571,297.82/96,621.80
  6. Step 6: Final answer
    x = 74,813.05

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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.