Finding the Fourth Proportional to 67,218.99, 100,773.41 and 27,804.39
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Solution
The fourth proportional to 67,218.99, 100,773.41 and 27,804.39 is: 41,683.80
Step by Step Solution
- Step 1: Write the proportion equation
67,218.99 : 100,773.41 = 27,804.39 : x - Step 2: Convert to fraction form
67,218.99/100,773.41 = 27,804.39/x - Step 3: Cross multiply
67,218.99x = 100,773.41 × 27,804.39 - Step 4: Simplify right side
67,218.99x = 2,801,943,054.25 - Step 5: Solve for x
x = 2,801,943,054.25/67,218.99 - Step 6: Final answer
x = 41,683.80
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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.