Finding the Fourth Proportional to 76,659.21, 114,992.46 and 24,072.80
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Solution
The fourth proportional to 76,659.21, 114,992.46 and 24,072.80 is: 36,110.34
Step by Step Solution
- Step 1: Write the proportion equation
76,659.21 : 114,992.46 = 24,072.80 : x - Step 2: Convert to fraction form
76,659.21/114,992.46 = 24,072.80/x - Step 3: Cross multiply
76,659.21x = 114,992.46 × 24,072.80 - Step 4: Simplify right side
76,659.21x = 2,768,189,916.13 - Step 5: Solve for x
x = 2,768,189,916.13/76,659.21 - Step 6: Final answer
x = 36,110.34
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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.