Finding the Fourth Proportional to 117,917.52, 162,708.48 and 66,232.63
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Solution
The fourth proportional to 117,917.52, 162,708.48 and 66,232.63 is: 91,391.09
Step by Step Solution
- Step 1: Write the proportion equation
117,917.52 : 162,708.48 = 66,232.63 : x - Step 2: Convert to fraction form
117,917.52/162,708.48 = 66,232.63/x - Step 3: Cross multiply
117,917.52x = 162,708.48 × 66,232.63 - Step 4: Simplify right side
117,917.52x = 10,776,610,553.70 - Step 5: Solve for x
x = 10,776,610,553.70/117,917.52 - Step 6: Final answer
x = 91,391.09
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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.