Home / 68,074.29-102,132.24-34,817.70

Finding the Fourth Proportional to 68,074.29, 102,132.24 and 34,817.70

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Solution

The fourth proportional to 68,074.29, 102,132.24 and 34,817.70 is: 52,237.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,074.29 : 102,132.24 = 34,817.70 : x
  2. Step 2: Convert to fraction form
    68,074.29/102,132.24 = 34,817.70/x
  3. Step 3: Cross multiply
    68,074.29x = 102,132.24 × 34,817.70
  4. Step 4: Simplify right side
    68,074.29x = 3,556,009,692.65
  5. Step 5: Solve for x
    x = 3,556,009,692.65/68,074.29
  6. Step 6: Final answer
    x = 52,237.19

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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.