Finding the Fourth Proportional to 77,311.15, 115,983.26 and 24,001.96
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Solution
The fourth proportional to 77,311.15, 115,983.26 and 24,001.96 is: 36,008.07
Step by Step Solution
- Step 1: Write the proportion equation
77,311.15 : 115,983.26 = 24,001.96 : x - Step 2: Convert to fraction form
77,311.15/115,983.26 = 24,001.96/x - Step 3: Cross multiply
77,311.15x = 115,983.26 × 24,001.96 - Step 4: Simplify right side
77,311.15x = 2,783,825,567.19 - Step 5: Solve for x
x = 2,783,825,567.19/77,311.15 - Step 6: Final answer
x = 36,008.07
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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.