Finding the Fourth Proportional to 77,283.97, 115,942.49 and 23,974.79
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Solution
The fourth proportional to 77,283.97, 115,942.49 and 23,974.79 is: 35,967.31
Step by Step Solution
- Step 1: Write the proportion equation
77,283.97 : 115,942.49 = 23,974.79 : x - Step 2: Convert to fraction form
77,283.97/115,942.49 = 23,974.79/x - Step 3: Cross multiply
77,283.97x = 115,942.49 × 23,974.79 - Step 4: Simplify right side
77,283.97x = 2,779,696,849.83 - Step 5: Solve for x
x = 2,779,696,849.83/77,283.97 - Step 6: Final answer
x = 35,967.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.