Finding the Fourth Proportional to 117,606.17, 162,310.42 and 69,859.70
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Solution
The fourth proportional to 117,606.17, 162,310.42 and 69,859.70 is: 96,414.65
Step by Step Solution
- Step 1: Write the proportion equation
117,606.17 : 162,310.42 = 69,859.70 : x - Step 2: Convert to fraction form
117,606.17/162,310.42 = 69,859.70/x - Step 3: Cross multiply
117,606.17x = 162,310.42 × 69,859.70 - Step 4: Simplify right side
117,606.17x = 11,338,957,248.07 - Step 5: Solve for x
x = 11,338,957,248.07/117,606.17 - Step 6: Final answer
x = 96,414.65
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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.