Finding the Fourth Proportional to 76,843.99, 115,238.25 and 32,474.17
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Solution
The fourth proportional to 76,843.99, 115,238.25 and 32,474.17 is: 48,699.53
Step by Step Solution
- Step 1: Write the proportion equation
76,843.99 : 115,238.25 = 32,474.17 : x - Step 2: Convert to fraction form
76,843.99/115,238.25 = 32,474.17/x - Step 3: Cross multiply
76,843.99x = 115,238.25 × 32,474.17 - Step 4: Simplify right side
76,843.99x = 3,742,266,521.00 - Step 5: Solve for x
x = 3,742,266,521.00/76,843.99 - Step 6: Final answer
x = 48,699.53
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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.