Finding the Fourth Proportional to 79,874.28, 119,884.98 and 40,458.84
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Solution
The fourth proportional to 79,874.28, 119,884.98 and 40,458.84 is: 60,725.52
Step by Step Solution
- Step 1: Write the proportion equation
79,874.28 : 119,884.98 = 40,458.84 : x - Step 2: Convert to fraction form
79,874.28/119,884.98 = 40,458.84/x - Step 3: Cross multiply
79,874.28x = 119,884.98 × 40,458.84 - Step 4: Simplify right side
79,874.28x = 4,850,407,224.22 - Step 5: Solve for x
x = 4,850,407,224.22/79,874.28 - Step 6: Final answer
x = 60,725.52
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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.