Finding the Fourth Proportional to 84,601.48, 116,764.50 and 48,785.08
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Solution
The fourth proportional to 84,601.48, 116,764.50 and 48,785.08 is: 67,331.75
Step by Step Solution
- Step 1: Write the proportion equation
84,601.48 : 116,764.50 = 48,785.08 : x - Step 2: Convert to fraction form
84,601.48/116,764.50 = 48,785.08/x - Step 3: Cross multiply
84,601.48x = 116,764.50 × 48,785.08 - Step 4: Simplify right side
84,601.48x = 5,696,365,473.66 - Step 5: Solve for x
x = 5,696,365,473.66/84,601.48 - Step 6: Final answer
x = 67,331.75
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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.