Finding the Fourth Proportional to 75,520.40, 104,217.98 and 41,530.97
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Solution
The fourth proportional to 75,520.40, 104,217.98 and 41,530.97 is: 57,312.65
Step by Step Solution
- Step 1: Write the proportion equation
75,520.40 : 104,217.98 = 41,530.97 : x - Step 2: Convert to fraction form
75,520.40/104,217.98 = 41,530.97/x - Step 3: Cross multiply
75,520.40x = 104,217.98 × 41,530.97 - Step 4: Simplify right side
75,520.40x = 4,328,273,853.73 - Step 5: Solve for x
x = 4,328,273,853.73/75,520.40 - Step 6: Final answer
x = 57,312.65
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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.