Finding the Fourth Proportional to 89,862.26, 134,793.93 and 39,930.62
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Solution
The fourth proportional to 89,862.26, 134,793.93 and 39,930.62 is: 59,896.17
Step by Step Solution
- Step 1: Write the proportion equation
89,862.26 : 134,793.93 = 39,930.62 : x - Step 2: Convert to fraction form
89,862.26/134,793.93 = 39,930.62/x - Step 3: Cross multiply
89,862.26x = 134,793.93 × 39,930.62 - Step 4: Simplify right side
89,862.26x = 5,382,405,197.14 - Step 5: Solve for x
x = 5,382,405,197.14/89,862.26 - Step 6: Final answer
x = 59,896.17
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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.