Finding the Fourth Proportional to 117,629.56, 162,331.80 and 63,917.68
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Solution
The fourth proportional to 117,629.56, 162,331.80 and 63,917.68 is: 88,208.03
Step by Step Solution
- Step 1: Write the proportion equation
117,629.56 : 162,331.80 = 63,917.68 : x - Step 2: Convert to fraction form
117,629.56/162,331.80 = 63,917.68/x - Step 3: Cross multiply
117,629.56x = 162,331.80 × 63,917.68 - Step 4: Simplify right side
117,629.56x = 10,375,872,046.22 - Step 5: Solve for x
x = 10,375,872,046.22/117,629.56 - Step 6: Final answer
x = 88,208.03
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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.