Home / 66,821.76-100,102.94-59,723.73

Finding the Fourth Proportional to 66,821.76, 100,102.94 and 59,723.73

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Solution

The fourth proportional to 66,821.76, 100,102.94 and 59,723.73 is: 89,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,821.76 : 100,102.94 = 59,723.73 : x
  2. Step 2: Convert to fraction form
    66,821.76/100,102.94 = 59,723.73/x
  3. Step 3: Cross multiply
    66,821.76x = 100,102.94 × 59,723.73
  4. Step 4: Simplify right side
    66,821.76x = 5,978,520,886.11
  5. Step 5: Solve for x
    x = 5,978,520,886.11/66,821.76
  6. Step 6: Final answer
    x = 89,469.67

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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.