Finding the Fourth Proportional to 116,696.79, 161,044.76 and 71,373.95
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Solution
The fourth proportional to 116,696.79, 161,044.76 and 71,373.95 is: 98,497.99
Step by Step Solution
- Step 1: Write the proportion equation
116,696.79 : 161,044.76 = 71,373.95 : x - Step 2: Convert to fraction form
116,696.79/161,044.76 = 71,373.95/x - Step 3: Cross multiply
116,696.79x = 161,044.76 × 71,373.95 - Step 4: Simplify right side
116,696.79x = 11,494,399,485.91 - Step 5: Solve for x
x = 11,494,399,485.91/116,696.79 - Step 6: Final answer
x = 98,497.99
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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.