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Finding the Fourth Proportional to 63,325.44, 87,393.60 and 36,100.80

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Solution

The fourth proportional to 63,325.44, 87,393.60 and 36,100.80 is: 49,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,325.44 : 87,393.60 = 36,100.80 : x
  2. Step 2: Convert to fraction form
    63,325.44/87,393.60 = 36,100.80/x
  3. Step 3: Cross multiply
    63,325.44x = 87,393.60 × 36,100.80
  4. Step 4: Simplify right side
    63,325.44x = 3,154,978,874.88
  5. Step 5: Solve for x
    x = 3,154,978,874.88/63,325.44
  6. Step 6: Final answer
    x = 49,821.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.