Home / 80,485.36-111,057.96-44,675.64

Finding the Fourth Proportional to 80,485.36, 111,057.96 and 44,675.64

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Solution

The fourth proportional to 80,485.36, 111,057.96 and 44,675.64 is: 61,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,485.36 : 111,057.96 = 44,675.64 : x
  2. Step 2: Convert to fraction form
    80,485.36/111,057.96 = 44,675.64/x
  3. Step 3: Cross multiply
    80,485.36x = 111,057.96 × 44,675.64
  4. Step 4: Simplify right side
    80,485.36x = 4,961,585,440.09
  5. Step 5: Solve for x
    x = 4,961,585,440.09/80,485.36
  6. Step 6: Final answer
    x = 61,645.81

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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.