Finding the Fourth Proportional to 76,964.38, 115,463.88 and 27,047.92
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Solution
The fourth proportional to 76,964.38, 115,463.88 and 27,047.92 is: 40,577.96
Step by Step Solution
- Step 1: Write the proportion equation
76,964.38 : 115,463.88 = 27,047.92 : x - Step 2: Convert to fraction form
76,964.38/115,463.88 = 27,047.92/x - Step 3: Cross multiply
76,964.38x = 115,463.88 × 27,047.92 - Step 4: Simplify right side
76,964.38x = 3,123,057,789.13 - Step 5: Solve for x
x = 3,123,057,789.13/76,964.38 - Step 6: Final answer
x = 40,577.96
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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.