Finding the Fourth Proportional to 68,912.87, 103,303.68 and 22,132.94
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Solution
The fourth proportional to 68,912.87, 103,303.68 and 22,132.94 is: 33,178.33
Step by Step Solution
- Step 1: Write the proportion equation
68,912.87 : 103,303.68 = 22,132.94 : x - Step 2: Convert to fraction form
68,912.87/103,303.68 = 22,132.94/x - Step 3: Cross multiply
68,912.87x = 103,303.68 × 22,132.94 - Step 4: Simplify right side
68,912.87x = 2,286,414,151.22 - Step 5: Solve for x
x = 2,286,414,151.22/68,912.87 - Step 6: Final answer
x = 33,178.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.