Finding the Fourth Proportional to 84,475.17, 116,601.66 and 48,688.99
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Solution
The fourth proportional to 84,475.17, 116,601.66 and 48,688.99 is: 67,205.75
Step by Step Solution
- Step 1: Write the proportion equation
84,475.17 : 116,601.66 = 48,688.99 : x - Step 2: Convert to fraction form
84,475.17/116,601.66 = 48,688.99/x - Step 3: Cross multiply
84,475.17x = 116,601.66 × 48,688.99 - Step 4: Simplify right side
84,475.17x = 5,677,216,766.22 - Step 5: Solve for x
x = 5,677,216,766.22/84,475.17 - Step 6: Final answer
x = 67,205.75
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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.