Home / 75,399.44-104,059.55-43,137.05

Finding the Fourth Proportional to 75,399.44, 104,059.55 and 43,137.05

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Solution

The fourth proportional to 75,399.44, 104,059.55 and 43,137.05 is: 59,533.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,399.44 : 104,059.55 = 43,137.05 : x
  2. Step 2: Convert to fraction form
    75,399.44/104,059.55 = 43,137.05/x
  3. Step 3: Cross multiply
    75,399.44x = 104,059.55 × 43,137.05
  4. Step 4: Simplify right side
    75,399.44x = 4,488,821,795.64
  5. Step 5: Solve for x
    x = 4,488,821,795.64/75,399.44
  6. Step 6: Final answer
    x = 59,533.89

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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.