Home / 68,622.38-102,862.20-26,531.37

Finding the Fourth Proportional to 68,622.38, 102,862.20 and 26,531.37

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Solution

The fourth proportional to 68,622.38, 102,862.20 and 26,531.37 is: 39,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,622.38 : 102,862.20 = 26,531.37 : x
  2. Step 2: Convert to fraction form
    68,622.38/102,862.20 = 26,531.37/x
  3. Step 3: Cross multiply
    68,622.38x = 102,862.20 × 26,531.37
  4. Step 4: Simplify right side
    68,622.38x = 2,729,075,087.21
  5. Step 5: Solve for x
    x = 2,729,075,087.21/68,622.38
  6. Step 6: Final answer
    x = 39,769.46

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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.