Finding the Fourth Proportional to 75,518.84, 104,218.62 and 41,528.72
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Solution
The fourth proportional to 75,518.84, 104,218.62 and 41,528.72 is: 57,311.07
Step by Step Solution
- Step 1: Write the proportion equation
75,518.84 : 104,218.62 = 41,528.72 : x - Step 2: Convert to fraction form
75,518.84/104,218.62 = 41,528.72/x - Step 3: Cross multiply
75,518.84x = 104,218.62 × 41,528.72 - Step 4: Simplify right side
75,518.84x = 4,328,065,888.77 - Step 5: Solve for x
x = 4,328,065,888.77/75,518.84 - Step 6: Final answer
x = 57,311.07
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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.