Finding the Fourth Proportional to 75,352.26, 103,994.38 and 48,153.18
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Solution
The fourth proportional to 75,352.26, 103,994.38 and 48,153.18 is: 66,456.67
Step by Step Solution
- Step 1: Write the proportion equation
75,352.26 : 103,994.38 = 48,153.18 : x - Step 2: Convert to fraction form
75,352.26/103,994.38 = 48,153.18/x - Step 3: Cross multiply
75,352.26x = 103,994.38 × 48,153.18 - Step 4: Simplify right side
75,352.26x = 5,007,660,099.13 - Step 5: Solve for x
x = 5,007,660,099.13/75,352.26 - Step 6: Final answer
x = 66,456.67
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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.