Finding the Fourth Proportional to 117,048.14, 161,525.27 and 63,331.97
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Solution
The fourth proportional to 117,048.14, 161,525.27 and 63,331.97 is: 87,397.50
Step by Step Solution
- Step 1: Write the proportion equation
117,048.14 : 161,525.27 = 63,331.97 : x - Step 2: Convert to fraction form
117,048.14/161,525.27 = 63,331.97/x - Step 3: Cross multiply
117,048.14x = 161,525.27 × 63,331.97 - Step 4: Simplify right side
117,048.14x = 10,229,714,116.03 - Step 5: Solve for x
x = 10,229,714,116.03/117,048.14 - Step 6: Final answer
x = 87,397.50
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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.