Finding the Fourth Proportional to 75,217.50, 112,833.74 and 27,845.26
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Solution
The fourth proportional to 75,217.50, 112,833.74 and 27,845.26 is: 41,770.66
Step by Step Solution
- Step 1: Write the proportion equation
75,217.50 : 112,833.74 = 27,845.26 : x - Step 2: Convert to fraction form
75,217.50/112,833.74 = 27,845.26/x - Step 3: Cross multiply
75,217.50x = 112,833.74 × 27,845.26 - Step 4: Simplify right side
75,217.50x = 3,141,884,827.07 - Step 5: Solve for x
x = 3,141,884,827.07/75,217.50 - Step 6: Final answer
x = 41,770.66
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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.