Finding the Fourth Proportional to 84,351.24, 116,358.66 and 54,102.92
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Solution
The fourth proportional to 84,351.24, 116,358.66 and 54,102.92 is: 74,632.49
Step by Step Solution
- Step 1: Write the proportion equation
84,351.24 : 116,358.66 = 54,102.92 : x - Step 2: Convert to fraction form
84,351.24/116,358.66 = 54,102.92/x - Step 3: Cross multiply
84,351.24x = 116,358.66 × 54,102.92 - Step 4: Simplify right side
84,351.24x = 6,295,342,691.49 - Step 5: Solve for x
x = 6,295,342,691.49/84,351.24 - Step 6: Final answer
x = 74,632.49
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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.