Finding the Fourth Proportional to 76,770.22, 105,943.11 and 44,511.09
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Solution
The fourth proportional to 76,770.22, 105,943.11 and 44,511.09 is: 61,425.42
Step by Step Solution
- Step 1: Write the proportion equation
76,770.22 : 105,943.11 = 44,511.09 : x - Step 2: Convert to fraction form
76,770.22/105,943.11 = 44,511.09/x - Step 3: Cross multiply
76,770.22x = 105,943.11 × 44,511.09 - Step 4: Simplify right side
76,770.22x = 4,715,643,304.09 - Step 5: Solve for x
x = 4,715,643,304.09/76,770.22 - Step 6: Final answer
x = 61,425.42
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1.5x scale
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.