Finding the Fourth Proportional to 91,924.19, 126,841.56 and 51,630.23
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Solution
The fourth proportional to 91,924.19, 126,841.56 and 51,630.23 is: 71,241.95
Step by Step Solution
- Step 1: Write the proportion equation
91,924.19 : 126,841.56 = 51,630.23 : x - Step 2: Convert to fraction form
91,924.19/126,841.56 = 51,630.23/x - Step 3: Cross multiply
91,924.19x = 126,841.56 × 51,630.23 - Step 4: Simplify right side
91,924.19x = 6,548,858,282.15 - Step 5: Solve for x
x = 6,548,858,282.15/91,924.19 - Step 6: Final answer
x = 71,241.95
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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.