Home / 89,628.44-123,682.48-49,334.36

Finding the Fourth Proportional to 89,628.44, 123,682.48 and 49,334.36

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Solution

The fourth proportional to 89,628.44, 123,682.48 and 49,334.36 is: 68,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.44 : 123,682.48 = 49,334.36 : x
  2. Step 2: Convert to fraction form
    89,628.44/123,682.48 = 49,334.36/x
  3. Step 3: Cross multiply
    89,628.44x = 123,682.48 × 49,334.36
  4. Step 4: Simplify right side
    89,628.44x = 6,101,795,994.01
  5. Step 5: Solve for x
    x = 6,101,795,994.01/89,628.44
  6. Step 6: Final answer
    x = 68,078.79

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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.