Finding the Fourth Proportional to 84,742.63, 116,944.50 and 46,502.81
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Solution
The fourth proportional to 84,742.63, 116,944.50 and 46,502.81 is: 64,173.70
Step by Step Solution
- Step 1: Write the proportion equation
84,742.63 : 116,944.50 = 46,502.81 : x - Step 2: Convert to fraction form
84,742.63/116,944.50 = 46,502.81/x - Step 3: Cross multiply
84,742.63x = 116,944.50 × 46,502.81 - Step 4: Simplify right side
84,742.63x = 5,438,247,892.25 - Step 5: Solve for x
x = 5,438,247,892.25/84,742.63 - Step 6: Final answer
x = 64,173.70
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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.