Finding the Fourth Proportional to 92,891.34, 128,190.99 and 50,450.70
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Solution
The fourth proportional to 92,891.34, 128,190.99 and 50,450.70 is: 69,622.48
Step by Step Solution
- Step 1: Write the proportion equation
92,891.34 : 128,190.99 = 50,450.70 : x - Step 2: Convert to fraction form
92,891.34/128,190.99 = 50,450.70/x - Step 3: Cross multiply
92,891.34x = 128,190.99 × 50,450.70 - Step 4: Simplify right side
92,891.34x = 6,467,325,179.19 - Step 5: Solve for x
x = 6,467,325,179.19/92,891.34 - Step 6: Final answer
x = 69,622.48
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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.