Finding the Fourth Proportional to 71,861.07, 107,804.62 and 29,718.29
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Solution
The fourth proportional to 71,861.07, 107,804.62 and 29,718.29 is: 44,582.82
Step by Step Solution
- Step 1: Write the proportion equation
71,861.07 : 107,804.62 = 29,718.29 : x - Step 2: Convert to fraction form
71,861.07/107,804.62 = 29,718.29/x - Step 3: Cross multiply
71,861.07x = 107,804.62 × 29,718.29 - Step 4: Simplify right side
71,861.07x = 3,203,769,267.16 - Step 5: Solve for x
x = 3,203,769,267.16/71,861.07 - Step 6: Final answer
x = 44,582.82
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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.