Home / 68,065.14-102,118.49-34,808.56

Finding the Fourth Proportional to 68,065.14, 102,118.49 and 34,808.56

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Solution

The fourth proportional to 68,065.14, 102,118.49 and 34,808.56 is: 52,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,065.14 : 102,118.49 = 34,808.56 : x
  2. Step 2: Convert to fraction form
    68,065.14/102,118.49 = 34,808.56/x
  3. Step 3: Cross multiply
    68,065.14x = 102,118.49 × 34,808.56
  4. Step 4: Simplify right side
    68,065.14x = 3,554,597,586.27
  5. Step 5: Solve for x
    x = 3,554,597,586.27/68,065.14
  6. Step 6: Final answer
    x = 52,223.47

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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.