Finding the Fourth Proportional to 68,625.04, 102,868.26 and 33,034.09
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Solution
The fourth proportional to 68,625.04, 102,868.26 and 33,034.09 is: 49,517.78
Step by Step Solution
- Step 1: Write the proportion equation
68,625.04 : 102,868.26 = 33,034.09 : x - Step 2: Convert to fraction form
68,625.04/102,868.26 = 33,034.09/x - Step 3: Cross multiply
68,625.04x = 102,868.26 × 33,034.09 - Step 4: Simplify right side
68,625.04x = 3,398,159,358.98 - Step 5: Solve for x
x = 3,398,159,358.98/68,625.04 - Step 6: Final answer
x = 49,517.78
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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.