Finding the Fourth Proportional to 117,310.77, 161,889.69 and 63,596.63
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Solution
The fourth proportional to 117,310.77, 161,889.69 and 63,596.63 is: 87,763.79
Step by Step Solution
- Step 1: Write the proportion equation
117,310.77 : 161,889.69 = 63,596.63 : x - Step 2: Convert to fraction form
117,310.77/161,889.69 = 63,596.63/x - Step 3: Cross multiply
117,310.77x = 161,889.69 × 63,596.63 - Step 4: Simplify right side
117,310.77x = 10,295,637,906.30 - Step 5: Solve for x
x = 10,295,637,906.30/117,310.77 - Step 6: Final answer
x = 87,763.79
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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.