Finding the Fourth Proportional to 75,695.13, 104,455.12 and 41,696.95
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Solution
The fourth proportional to 75,695.13, 104,455.12 and 41,696.95 is: 57,539.50
Step by Step Solution
- Step 1: Write the proportion equation
75,695.13 : 104,455.12 = 41,696.95 : x - Step 2: Convert to fraction form
75,695.13/104,455.12 = 41,696.95/x - Step 3: Cross multiply
75,695.13x = 104,455.12 × 41,696.95 - Step 4: Simplify right side
75,695.13x = 4,355,459,915.88 - Step 5: Solve for x
x = 4,355,459,915.88/75,695.13 - Step 6: Final answer
x = 57,539.50
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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.