Finding the Fourth Proportional to 79,316.36, 118,992.44 and 26,724.40
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Solution
The fourth proportional to 79,316.36, 118,992.44 and 26,724.40 is: 40,092.63
Step by Step Solution
- Step 1: Write the proportion equation
79,316.36 : 118,992.44 = 26,724.40 : x - Step 2: Convert to fraction form
79,316.36/118,992.44 = 26,724.40/x - Step 3: Cross multiply
79,316.36x = 118,992.44 × 26,724.40 - Step 4: Simplify right side
79,316.36x = 3,180,001,563.54 - Step 5: Solve for x
x = 3,180,001,563.54/79,316.36 - Step 6: Final answer
x = 40,092.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.