Finding the Fourth Proportional to 86,608.58, 129,917.92 and 24,283.94
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Solution
The fourth proportional to 86,608.58, 129,917.92 and 24,283.94 is: 36,427.33
Step by Step Solution
- Step 1: Write the proportion equation
86,608.58 : 129,917.92 = 24,283.94 : x - Step 2: Convert to fraction form
86,608.58/129,917.92 = 24,283.94/x - Step 3: Cross multiply
86,608.58x = 129,917.92 × 24,283.94 - Step 4: Simplify right side
86,608.58x = 3,154,918,974.20 - Step 5: Solve for x
x = 3,154,918,974.20/86,608.58 - Step 6: Final answer
x = 36,427.33
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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.