Finding the Fourth Proportional to 76,765.08, 115,097.94 and 32,379.92
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Solution
The fourth proportional to 76,765.08, 115,097.94 and 32,379.92 is: 48,548.92
Step by Step Solution
- Step 1: Write the proportion equation
76,765.08 : 115,097.94 = 32,379.92 : x - Step 2: Convert to fraction form
76,765.08/115,097.94 = 32,379.92/x - Step 3: Cross multiply
76,765.08x = 115,097.94 × 32,379.92 - Step 4: Simplify right side
76,765.08x = 3,726,862,089.36 - Step 5: Solve for x
x = 3,726,862,089.36/76,765.08 - Step 6: Final answer
x = 48,548.92
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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.