Finding the Fourth Proportional to 76,926.13, 115,440.73 and 27,006.37
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Solution
The fourth proportional to 76,926.13, 115,440.73 and 27,006.37 is: 40,527.65
Step by Step Solution
- Step 1: Write the proportion equation
76,926.13 : 115,440.73 = 27,006.37 : x - Step 2: Convert to fraction form
76,926.13/115,440.73 = 27,006.37/x - Step 3: Cross multiply
76,926.13x = 115,440.73 × 27,006.37 - Step 4: Simplify right side
76,926.13x = 3,117,635,245.51 - Step 5: Solve for x
x = 3,117,635,245.51/76,926.13 - Step 6: Final answer
x = 40,527.65
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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.