Finding the Fourth Proportional to 75,503.12, 104,195.50 and 41,513.09
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Solution
The fourth proportional to 75,503.12, 104,195.50 and 41,513.09 is: 57,288.72
Step by Step Solution
- Step 1: Write the proportion equation
75,503.12 : 104,195.50 = 41,513.09 : x - Step 2: Convert to fraction form
75,503.12/104,195.50 = 41,513.09/x - Step 3: Cross multiply
75,503.12x = 104,195.50 × 41,513.09 - Step 4: Simplify right side
75,503.12x = 4,325,476,544.33 - Step 5: Solve for x
x = 4,325,476,544.33/75,503.12 - Step 6: Final answer
x = 57,288.72
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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.