Finding the Fourth Proportional to 91,523.15, 126,302.01 and 51,236.99
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Solution
The fourth proportional to 91,523.15, 126,302.01 and 51,236.99 is: 70,707.08
Step by Step Solution
- Step 1: Write the proportion equation
91,523.15 : 126,302.01 = 51,236.99 : x - Step 2: Convert to fraction form
91,523.15/126,302.01 = 51,236.99/x - Step 3: Cross multiply
91,523.15x = 126,302.01 × 51,236.99 - Step 4: Simplify right side
91,523.15x = 6,471,334,823.35 - Step 5: Solve for x
x = 6,471,334,823.35/91,523.15 - Step 6: Final answer
x = 70,707.08
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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.