Finding the Fourth Proportional to 84,745.30, 116,958.91 and 48,935.26
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Solution
The fourth proportional to 84,745.30, 116,958.91 and 48,935.26 is: 67,536.66
Step by Step Solution
- Step 1: Write the proportion equation
84,745.30 : 116,958.91 = 48,935.26 : x - Step 2: Convert to fraction form
84,745.30/116,958.91 = 48,935.26/x - Step 3: Cross multiply
84,745.30x = 116,958.91 × 48,935.26 - Step 4: Simplify right side
84,745.30x = 5,723,414,670.17 - Step 5: Solve for x
x = 5,723,414,670.17/84,745.30 - Step 6: Final answer
x = 67,536.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.