Home / 68,226.74-102,351.06-28,789.67

Finding the Fourth Proportional to 68,226.74, 102,351.06 and 28,789.67

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Solution

The fourth proportional to 68,226.74, 102,351.06 and 28,789.67 is: 43,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,226.74 : 102,351.06 = 28,789.67 : x
  2. Step 2: Convert to fraction form
    68,226.74/102,351.06 = 28,789.67/x
  3. Step 3: Cross multiply
    68,226.74x = 102,351.06 × 28,789.67
  4. Step 4: Simplify right side
    68,226.74x = 2,946,652,729.79
  5. Step 5: Solve for x
    x = 2,946,652,729.79/68,226.74
  6. Step 6: Final answer
    x = 43,189.12

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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.