Home / 75,286.56-104,017.49-64,074.54

Finding the Fourth Proportional to 75,286.56, 104,017.49 and 64,074.54

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Solution

The fourth proportional to 75,286.56, 104,017.49 and 64,074.54 is: 88,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286.56 : 104,017.49 = 64,074.54 : x
  2. Step 2: Convert to fraction form
    75,286.56/104,017.49 = 64,074.54/x
  3. Step 3: Cross multiply
    75,286.56x = 104,017.49 × 64,074.54
  4. Step 4: Simplify right side
    75,286.56x = 6,664,873,519.06
  5. Step 5: Solve for x
    x = 6,664,873,519.06/75,286.56
  6. Step 6: Final answer
    x = 88,526.73

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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.