Finding the Fourth Proportional to 86,324.30, 129,504.93 and 48,902.06
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Solution
The fourth proportional to 86,324.30, 129,504.93 and 48,902.06 is: 73,363.56
Step by Step Solution
- Step 1: Write the proportion equation
86,324.30 : 129,504.93 = 48,902.06 : x - Step 2: Convert to fraction form
86,324.30/129,504.93 = 48,902.06/x - Step 3: Cross multiply
86,324.30x = 129,504.93 × 48,902.06 - Step 4: Simplify right side
86,324.30x = 6,333,057,857.16 - Step 5: Solve for x
x = 6,333,057,857.16/86,324.30 - Step 6: Final answer
x = 73,363.56
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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.