Finding the Fourth Proportional to 84,743.85, 116,917.55 and 48,419.23
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Solution
The fourth proportional to 84,743.85, 116,917.55 and 48,419.23 is: 66,801.99
Step by Step Solution
- Step 1: Write the proportion equation
84,743.85 : 116,917.55 = 48,419.23 : x - Step 2: Convert to fraction form
84,743.85/116,917.55 = 48,419.23/x - Step 3: Cross multiply
84,743.85x = 116,917.55 × 48,419.23 - Step 4: Simplify right side
84,743.85x = 5,661,057,502.39 - Step 5: Solve for x
x = 5,661,057,502.39/84,743.85 - Step 6: Final answer
x = 66,801.99
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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.