Finding the Fourth Proportional to 91,350.76, 137,029.08 and 24,790.72
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Solution
The fourth proportional to 91,350.76, 137,029.08 and 24,790.72 is: 37,186.88
Step by Step Solution
- Step 1: Write the proportion equation
91,350.76 : 137,029.08 = 24,790.72 : x - Step 2: Convert to fraction form
91,350.76/137,029.08 = 24,790.72/x - Step 3: Cross multiply
91,350.76x = 137,029.08 × 24,790.72 - Step 4: Simplify right side
91,350.76x = 3,397,049,554.14 - Step 5: Solve for x
x = 3,397,049,554.14/91,350.76 - Step 6: Final answer
x = 37,186.88
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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.