Finding the Fourth Proportional to 91,682.44, 126,532.26 and 51,407.08
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Solution
The fourth proportional to 91,682.44, 126,532.26 and 51,407.08 is: 70,947.65
Step by Step Solution
- Step 1: Write the proportion equation
91,682.44 : 126,532.26 = 51,407.08 : x - Step 2: Convert to fraction form
91,682.44/126,532.26 = 51,407.08/x - Step 3: Cross multiply
91,682.44x = 126,532.26 × 51,407.08 - Step 4: Simplify right side
91,682.44x = 6,504,654,012.40 - Step 5: Solve for x
x = 6,504,654,012.40/91,682.44 - Step 6: Final answer
x = 70,947.65
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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.