Finding the Fourth Proportional to 91,244.75, 125,908.74 and 50,957.63
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Solution
The fourth proportional to 91,244.75, 125,908.74 and 50,957.63 is: 70,316.49
Step by Step Solution
- Step 1: Write the proportion equation
91,244.75 : 125,908.74 = 50,957.63 : x - Step 2: Convert to fraction form
91,244.75/125,908.74 = 50,957.63/x - Step 3: Cross multiply
91,244.75x = 125,908.74 × 50,957.63 - Step 4: Simplify right side
91,244.75x = 6,416,010,357.14 - Step 5: Solve for x
x = 6,416,010,357.14/91,244.75 - Step 6: Final answer
x = 70,316.49
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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.