Finding the Fourth Proportional to 71,993.88, 107,990.36 and 24,586.10
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Solution
The fourth proportional to 71,993.88, 107,990.36 and 24,586.10 is: 36,878.99
Step by Step Solution
- Step 1: Write the proportion equation
71,993.88 : 107,990.36 = 24,586.10 : x - Step 2: Convert to fraction form
71,993.88/107,990.36 = 24,586.10/x - Step 3: Cross multiply
71,993.88x = 107,990.36 × 24,586.10 - Step 4: Simplify right side
71,993.88x = 2,655,061,790.00 - Step 5: Solve for x
x = 2,655,061,790.00/71,993.88 - Step 6: Final answer
x = 36,878.99
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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.