Finding the Fourth Proportional to 75,436.75, 104,091.12 and 43,599.49
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Solution
The fourth proportional to 75,436.75, 104,091.12 and 43,599.49 is: 60,160.59
Step by Step Solution
- Step 1: Write the proportion equation
75,436.75 : 104,091.12 = 43,599.49 : x - Step 2: Convert to fraction form
75,436.75/104,091.12 = 43,599.49/x - Step 3: Cross multiply
75,436.75x = 104,091.12 × 43,599.49 - Step 4: Simplify right side
75,436.75x = 4,538,319,745.53 - Step 5: Solve for x
x = 4,538,319,745.53/75,436.75 - Step 6: Final answer
x = 60,160.59
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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.