Finding the Fourth Proportional to 71,236.12, 106,823.01 and 33,806.92
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Solution
The fourth proportional to 71,236.12, 106,823.01 and 33,806.92 is: 50,695.59
Step by Step Solution
- Step 1: Write the proportion equation
71,236.12 : 106,823.01 = 33,806.92 : x - Step 2: Convert to fraction form
71,236.12/106,823.01 = 33,806.92/x - Step 3: Cross multiply
71,236.12x = 106,823.01 × 33,806.92 - Step 4: Simplify right side
71,236.12x = 3,611,356,953.23 - Step 5: Solve for x
x = 3,611,356,953.23/71,236.12 - Step 6: Final answer
x = 50,695.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.