Finding the Fourth Proportional to 75,902.06, 104,774.38 and 67,930.44
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Solution
The fourth proportional to 75,902.06, 104,774.38 and 67,930.44 is: 93,770.44
Step by Step Solution
- Step 1: Write the proportion equation
75,902.06 : 104,774.38 = 67,930.44 : x - Step 2: Convert to fraction form
75,902.06/104,774.38 = 67,930.44/x - Step 3: Cross multiply
75,902.06x = 104,774.38 × 67,930.44 - Step 4: Simplify right side
75,902.06x = 7,117,369,734.13 - Step 5: Solve for x
x = 7,117,369,734.13/75,902.06 - Step 6: Final answer
x = 93,770.44
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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.