Finding the Fourth Proportional to 91,534.12, 126,310.96 and 51,241.08
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Solution
The fourth proportional to 91,534.12, 126,310.96 and 51,241.08 is: 70,709.26
Step by Step Solution
- Step 1: Write the proportion equation
91,534.12 : 126,310.96 = 51,241.08 : x - Step 2: Convert to fraction form
91,534.12/126,310.96 = 51,241.08/x - Step 3: Cross multiply
91,534.12x = 126,310.96 × 51,241.08 - Step 4: Simplify right side
91,534.12x = 6,472,310,006.24 - Step 5: Solve for x
x = 6,472,310,006.24/91,534.12 - Step 6: Final answer
x = 70,709.26
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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.