Finding the Fourth Proportional to 91,504.13, 126,269.84 and 51,211.09
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Solution
The fourth proportional to 91,504.13, 126,269.84 and 51,211.09 is: 70,668.02
Step by Step Solution
- Step 1: Write the proportion equation
91,504.13 : 126,269.84 = 51,211.09 : x - Step 2: Convert to fraction form
91,504.13/126,269.84 = 51,211.09/x - Step 3: Cross multiply
91,504.13x = 126,269.84 × 51,211.09 - Step 4: Simplify right side
91,504.13x = 6,466,416,140.53 - Step 5: Solve for x
x = 6,466,416,140.53/91,504.13 - Step 6: Final answer
x = 70,668.02
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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.