Finding the Fourth Proportional to 86,450.24, 129,677.76 and 24,120.68
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Solution
The fourth proportional to 86,450.24, 129,677.76 and 24,120.68 is: 36,181.69
Step by Step Solution
- Step 1: Write the proportion equation
86,450.24 : 129,677.76 = 24,120.68 : x - Step 2: Convert to fraction form
86,450.24/129,677.76 = 24,120.68/x - Step 3: Cross multiply
86,450.24x = 129,677.76 × 24,120.68 - Step 4: Simplify right side
86,450.24x = 3,127,915,752.08 - Step 5: Solve for x
x = 3,127,915,752.08/86,450.24 - Step 6: Final answer
x = 36,181.69
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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.