Finding the Fourth Proportional to 74,782.24, 112,238.97 and 41,539.84
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Solution
The fourth proportional to 74,782.24, 112,238.97 and 41,539.84 is: 62,346.20
Step by Step Solution
- Step 1: Write the proportion equation
74,782.24 : 112,238.97 = 41,539.84 : x - Step 2: Convert to fraction form
74,782.24/112,238.97 = 41,539.84/x - Step 3: Cross multiply
74,782.24x = 112,238.97 × 41,539.84 - Step 4: Simplify right side
74,782.24x = 4,662,388,419.19 - Step 5: Solve for x
x = 4,662,388,419.19/74,782.24 - Step 6: Final answer
x = 62,346.20
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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.