Finding the Fourth Proportional to 79,840.38, 119,727.62 and 27,254.10
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Solution
The fourth proportional to 79,840.38, 119,727.62 and 27,254.10 is: 40,869.90
Step by Step Solution
- Step 1: Write the proportion equation
79,840.38 : 119,727.62 = 27,254.10 : x - Step 2: Convert to fraction form
79,840.38/119,727.62 = 27,254.10/x - Step 3: Cross multiply
79,840.38x = 119,727.62 × 27,254.10 - Step 4: Simplify right side
79,840.38x = 3,263,068,528.24 - Step 5: Solve for x
x = 3,263,068,528.24/79,840.38 - Step 6: Final answer
x = 40,869.90
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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.