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Finding the Fourth Proportional to 80,014.41, 120,096.94 and 40,599.81

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Solution

The fourth proportional to 80,014.41, 120,096.94 and 40,599.81 is: 60,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,014.41 : 120,096.94 = 40,599.81 : x
  2. Step 2: Convert to fraction form
    80,014.41/120,096.94 = 40,599.81/x
  3. Step 3: Cross multiply
    80,014.41x = 120,096.94 × 40,599.81
  4. Step 4: Simplify right side
    80,014.41x = 4,875,912,945.58
  5. Step 5: Solve for x
    x = 4,875,912,945.58/80,014.41
  6. Step 6: Final answer
    x = 60,937.94

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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.