Finding the Fourth Proportional to 117,083.36, 161,573.64 and 63,367.10
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Solution
The fourth proportional to 117,083.36, 161,573.64 and 63,367.10 is: 87,445.84
Step by Step Solution
- Step 1: Write the proportion equation
117,083.36 : 161,573.64 = 63,367.10 : x - Step 2: Convert to fraction form
117,083.36/161,573.64 = 63,367.10/x - Step 3: Cross multiply
117,083.36x = 161,573.64 × 63,367.10 - Step 4: Simplify right side
117,083.36x = 10,238,453,003.24 - Step 5: Solve for x
x = 10,238,453,003.24/117,083.36 - Step 6: Final answer
x = 87,445.84
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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.