Finding the Fourth Proportional to 75,615.39, 104,355.68 and 41,630.49
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Solution
The fourth proportional to 75,615.39, 104,355.68 and 41,630.49 is: 57,453.62
Step by Step Solution
- Step 1: Write the proportion equation
75,615.39 : 104,355.68 = 41,630.49 : x - Step 2: Convert to fraction form
75,615.39/104,355.68 = 41,630.49/x - Step 3: Cross multiply
75,615.39x = 104,355.68 × 41,630.49 - Step 4: Simplify right side
75,615.39x = 4,344,377,884.53 - Step 5: Solve for x
x = 4,344,377,884.53/75,615.39 - Step 6: Final answer
x = 57,453.62
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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.