Finding the Fourth Proportional to 79,486.44, 109,495.44 and 68,119.44
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Solution
The fourth proportional to 79,486.44, 109,495.44 and 68,119.44 is: 93,836.99
Step by Step Solution
- Step 1: Write the proportion equation
79,486.44 : 109,495.44 = 68,119.44 : x - Step 2: Convert to fraction form
79,486.44/109,495.44 = 68,119.44/x - Step 3: Cross multiply
79,486.44x = 109,495.44 × 68,119.44 - Step 4: Simplify right side
79,486.44x = 7,458,768,055.35 - Step 5: Solve for x
x = 7,458,768,055.35/79,486.44 - Step 6: Final answer
x = 93,836.99
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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.