Finding the Fourth Proportional to 76,713.06, 115,087.69 and 24,122.54
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Solution
The fourth proportional to 76,713.06, 115,087.69 and 24,122.54 is: 36,189.50
Step by Step Solution
- Step 1: Write the proportion equation
76,713.06 : 115,087.69 = 24,122.54 : x - Step 2: Convert to fraction form
76,713.06/115,087.69 = 24,122.54/x - Step 3: Cross multiply
76,713.06x = 115,087.69 × 24,122.54 - Step 4: Simplify right side
76,713.06x = 2,776,207,587.72 - Step 5: Solve for x
x = 2,776,207,587.72/76,713.06 - Step 6: Final answer
x = 36,189.50
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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.