Finding the Fourth Proportional to 91,030.97, 136,516.93 and 34,868.09
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Solution
The fourth proportional to 91,030.97, 136,516.93 and 34,868.09 is: 52,290.83
Step by Step Solution
- Step 1: Write the proportion equation
91,030.97 : 136,516.93 = 34,868.09 : x - Step 2: Convert to fraction form
91,030.97/136,516.93 = 34,868.09/x - Step 3: Cross multiply
91,030.97x = 136,516.93 × 34,868.09 - Step 4: Simplify right side
91,030.97x = 4,760,084,601.76 - Step 5: Solve for x
x = 4,760,084,601.76/91,030.97 - Step 6: Final answer
x = 52,290.83
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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.