Finding the Fourth Proportional to 79,194.13, 109,287.87 and 43,384.09
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Solution
The fourth proportional to 79,194.13, 109,287.87 and 43,384.09 is: 59,870.03
Step by Step Solution
- Step 1: Write the proportion equation
79,194.13 : 109,287.87 = 43,384.09 : x - Step 2: Convert to fraction form
79,194.13/109,287.87 = 43,384.09/x - Step 3: Cross multiply
79,194.13x = 109,287.87 × 43,384.09 - Step 4: Simplify right side
79,194.13x = 4,741,354,787.99 - Step 5: Solve for x
x = 4,741,354,787.99/79,194.13 - Step 6: Final answer
x = 59,870.03
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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.