Finding the Fourth Proportional to 86,207.02, 118,964.91 and 48,481.54
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Solution
The fourth proportional to 86,207.02, 118,964.91 and 48,481.54 is: 66,904.09
Step by Step Solution
- Step 1: Write the proportion equation
86,207.02 : 118,964.91 = 48,481.54 : x - Step 2: Convert to fraction form
86,207.02/118,964.91 = 48,481.54/x - Step 3: Cross multiply
86,207.02x = 118,964.91 × 48,481.54 - Step 4: Simplify right side
86,207.02x = 5,767,602,042.76 - Step 5: Solve for x
x = 5,767,602,042.76/86,207.02 - Step 6: Final answer
x = 66,904.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.