Finding the Fourth Proportional to 86,356.62, 129,539.58 and 27,196.92
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Solution
The fourth proportional to 86,356.62, 129,539.58 and 27,196.92 is: 40,796.84
Step by Step Solution
- Step 1: Write the proportion equation
86,356.62 : 129,539.58 = 27,196.92 : x - Step 2: Convert to fraction form
86,356.62/129,539.58 = 27,196.92/x - Step 3: Cross multiply
86,356.62x = 129,539.58 × 27,196.92 - Step 4: Simplify right side
86,356.62x = 3,523,077,594.09 - Step 5: Solve for x
x = 3,523,077,594.09/86,356.62 - Step 6: Final answer
x = 40,796.84
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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.