Finding the Fourth Proportional to 86,394.52, 129,350.94 and 44,183.80
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Solution
The fourth proportional to 86,394.52, 129,350.94 and 44,183.80 is: 66,152.53
Step by Step Solution
- Step 1: Write the proportion equation
86,394.52 : 129,350.94 = 44,183.80 : x - Step 2: Convert to fraction form
86,394.52/129,350.94 = 44,183.80/x - Step 3: Cross multiply
86,394.52x = 129,350.94 × 44,183.80 - Step 4: Simplify right side
86,394.52x = 5,715,216,062.77 - Step 5: Solve for x
x = 5,715,216,062.77/86,394.52 - Step 6: Final answer
x = 66,152.53
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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.