Finding the Fourth Proportional to 108,517.34, 149,754.09 and 60,770.70
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Solution
The fourth proportional to 108,517.34, 149,754.09 and 60,770.70 is: 83,863.66
Step by Step Solution
- Step 1: Write the proportion equation
108,517.34 : 149,754.09 = 60,770.70 : x - Step 2: Convert to fraction form
108,517.34/149,754.09 = 60,770.70/x - Step 3: Cross multiply
108,517.34x = 149,754.09 × 60,770.70 - Step 4: Simplify right side
108,517.34x = 9,100,660,877.16 - Step 5: Solve for x
x = 9,100,660,877.16/108,517.34 - Step 6: Final answer
x = 83,863.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.