Home / 105,977.46-158,965.79-27,091.56

Finding the Fourth Proportional to 105,977.46, 158,965.79 and 27,091.56

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Solution

The fourth proportional to 105,977.46, 158,965.79 and 27,091.56 is: 40,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,977.46 : 158,965.79 = 27,091.56 : x
  2. Step 2: Convert to fraction form
    105,977.46/158,965.79 = 27,091.56/x
  3. Step 3: Cross multiply
    105,977.46x = 158,965.79 × 27,091.56
  4. Step 4: Simplify right side
    105,977.46x = 4,306,631,102.27
  5. Step 5: Solve for x
    x = 4,306,631,102.27/105,977.46
  6. Step 6: Final answer
    x = 40,637.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.