Finding the Fourth Proportional to 74,190.26, 102,387.58 and 41,913.68
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Solution
The fourth proportional to 74,190.26, 102,387.58 and 41,913.68 is: 57,843.70
Step by Step Solution
- Step 1: Write the proportion equation
74,190.26 : 102,387.58 = 41,913.68 : x - Step 2: Convert to fraction form
74,190.26/102,387.58 = 41,913.68/x - Step 3: Cross multiply
74,190.26x = 102,387.58 × 41,913.68 - Step 4: Simplify right side
74,190.26x = 4,291,439,647.37 - Step 5: Solve for x
x = 4,291,439,647.37/74,190.26 - Step 6: Final answer
x = 57,843.70
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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.