Finding the Fourth Proportional to 76,927.13, 115,442.23 and 27,007.37
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Solution
The fourth proportional to 76,927.13, 115,442.23 and 27,007.37 is: 40,529.15
Step by Step Solution
- Step 1: Write the proportion equation
76,927.13 : 115,442.23 = 27,007.37 : x - Step 2: Convert to fraction form
76,927.13/115,442.23 = 27,007.37/x - Step 3: Cross multiply
76,927.13x = 115,442.23 × 27,007.37 - Step 4: Simplify right side
76,927.13x = 3,117,791,019.24 - Step 5: Solve for x
x = 3,117,791,019.24/76,927.13 - Step 6: Final answer
x = 40,529.15
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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.