Finding the Fourth Proportional to 117,659.44, 162,383.84 and 69,912.82
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Solution
The fourth proportional to 117,659.44, 162,383.84 and 69,912.82 is: 96,487.90
Step by Step Solution
- Step 1: Write the proportion equation
117,659.44 : 162,383.84 = 69,912.82 : x - Step 2: Convert to fraction form
117,659.44/162,383.84 = 69,912.82/x - Step 3: Cross multiply
117,659.44x = 162,383.84 × 69,912.82 - Step 4: Simplify right side
117,659.44x = 11,352,712,292.42 - Step 5: Solve for x
x = 11,352,712,292.42/117,659.44 - Step 6: Final answer
x = 96,487.90
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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.