Finding the Fourth Proportional to 68,809.26, 103,201.74 and 31,360.44
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Solution
The fourth proportional to 68,809.26, 103,201.74 and 31,360.44 is: 47,035.12
Step by Step Solution
- Step 1: Write the proportion equation
68,809.26 : 103,201.74 = 31,360.44 : x - Step 2: Convert to fraction form
68,809.26/103,201.74 = 31,360.44/x - Step 3: Cross multiply
68,809.26x = 103,201.74 × 31,360.44 - Step 4: Simplify right side
68,809.26x = 3,236,451,975.17 - Step 5: Solve for x
x = 3,236,451,975.17/68,809.26 - Step 6: Final answer
x = 47,035.12
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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.