Finding the Fourth Proportional to 79,557.14, 119,335.98 and 27,003.80
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Solution
The fourth proportional to 79,557.14, 119,335.98 and 27,003.80 is: 40,505.79
Step by Step Solution
- Step 1: Write the proportion equation
79,557.14 : 119,335.98 = 27,003.80 : x - Step 2: Convert to fraction form
79,557.14/119,335.98 = 27,003.80/x - Step 3: Cross multiply
79,557.14x = 119,335.98 × 27,003.80 - Step 4: Simplify right side
79,557.14x = 3,222,524,936.72 - Step 5: Solve for x
x = 3,222,524,936.72/79,557.14 - Step 6: Final answer
x = 40,505.79
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1.5x scale
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.