Home / 68,216.56-102,299.89-26,075.80

Finding the Fourth Proportional to 68,216.56, 102,299.89 and 26,075.80

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Solution

The fourth proportional to 68,216.56, 102,299.89 and 26,075.80 is: 39,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,216.56 : 102,299.89 = 26,075.80 : x
  2. Step 2: Convert to fraction form
    68,216.56/102,299.89 = 26,075.80/x
  3. Step 3: Cross multiply
    68,216.56x = 102,299.89 × 26,075.80
  4. Step 4: Simplify right side
    68,216.56x = 2,667,551,471.66
  5. Step 5: Solve for x
    x = 2,667,551,471.66/68,216.56
  6. Step 6: Final answer
    x = 39,104.16

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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.