Finding the Fourth Proportional to 114,080.81, 171,077.47 and 39,186.99
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Solution
The fourth proportional to 114,080.81, 171,077.47 and 39,186.99 is: 58,765.46
Step by Step Solution
- Step 1: Write the proportion equation
114,080.81 : 171,077.47 = 39,186.99 : x - Step 2: Convert to fraction form
114,080.81/171,077.47 = 39,186.99/x - Step 3: Cross multiply
114,080.81x = 171,077.47 × 39,186.99 - Step 4: Simplify right side
114,080.81x = 6,704,011,008.15 - Step 5: Solve for x
x = 6,704,011,008.15/114,080.81 - Step 6: Final answer
x = 58,765.46
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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.