Finding the Fourth Proportional to 75,734.23, 104,511.84 and 41,279.26
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Solution
The fourth proportional to 75,734.23, 104,511.84 and 41,279.26 is: 56,964.62
Step by Step Solution
- Step 1: Write the proportion equation
75,734.23 : 104,511.84 = 41,279.26 : x - Step 2: Convert to fraction form
75,734.23/104,511.84 = 41,279.26/x - Step 3: Cross multiply
75,734.23x = 104,511.84 × 41,279.26 - Step 4: Simplify right side
75,734.23x = 4,314,171,416.44 - Step 5: Solve for x
x = 4,314,171,416.44/75,734.23 - Step 6: Final answer
x = 56,964.62
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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.