Finding the Fourth Proportional to 76,622.24, 105,736.74 and 44,352.38
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Solution
The fourth proportional to 76,622.24, 105,736.74 and 44,352.38 is: 61,205.15
Step by Step Solution
- Step 1: Write the proportion equation
76,622.24 : 105,736.74 = 44,352.38 : x - Step 2: Convert to fraction form
76,622.24/105,736.74 = 44,352.38/x - Step 3: Cross multiply
76,622.24x = 105,736.74 × 44,352.38 - Step 4: Simplify right side
76,622.24x = 4,689,676,072.44 - Step 5: Solve for x
x = 4,689,676,072.44/76,622.24 - Step 6: Final answer
x = 61,205.15
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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.