Finding the Fourth Proportional to 75,654.75, 104,368.50 and 48,805.91
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Solution
The fourth proportional to 75,654.75, 104,368.50 and 48,805.91 is: 67,329.54
Step by Step Solution
- Step 1: Write the proportion equation
75,654.75 : 104,368.50 = 48,805.91 : x - Step 2: Convert to fraction form
75,654.75/104,368.50 = 48,805.91/x - Step 3: Cross multiply
75,654.75x = 104,368.50 × 48,805.91 - Step 4: Simplify right side
75,654.75x = 5,093,799,617.84 - Step 5: Solve for x
x = 5,093,799,617.84/75,654.75 - Step 6: Final answer
x = 67,329.54
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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.