Finding the Fourth Proportional to 84,180.21, 116,132.03 and 55,463.03
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Solution
The fourth proportional to 84,180.21, 116,132.03 and 55,463.03 is: 76,514.82
Step by Step Solution
- Step 1: Write the proportion equation
84,180.21 : 116,132.03 = 55,463.03 : x - Step 2: Convert to fraction form
84,180.21/116,132.03 = 55,463.03/x - Step 3: Cross multiply
84,180.21x = 116,132.03 × 55,463.03 - Step 4: Simplify right side
84,180.21x = 6,441,034,049.36 - Step 5: Solve for x
x = 6,441,034,049.36/84,180.21 - Step 6: Final answer
x = 76,514.82
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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.