Home / 77,850.05-107,433.39-43,858.94

Finding the Fourth Proportional to 77,850.05, 107,433.39 and 43,858.94

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Solution

The fourth proportional to 77,850.05, 107,433.39 and 43,858.94 is: 60,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,850.05 : 107,433.39 = 43,858.94 : x
  2. Step 2: Convert to fraction form
    77,850.05/107,433.39 = 43,858.94/x
  3. Step 3: Cross multiply
    77,850.05x = 107,433.39 × 43,858.94
  4. Step 4: Simplify right side
    77,850.05x = 4,711,914,606.01
  5. Step 5: Solve for x
    x = 4,711,914,606.01/77,850.05
  6. Step 6: Final answer
    x = 60,525.52

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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.