Finding the Fourth Proportional to 82,864.74, 114,353.37 and 45,138.99
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Solution
The fourth proportional to 82,864.74, 114,353.37 and 45,138.99 is: 62,291.82
Step by Step Solution
- Step 1: Write the proportion equation
82,864.74 : 114,353.37 = 45,138.99 : x - Step 2: Convert to fraction form
82,864.74/114,353.37 = 45,138.99/x - Step 3: Cross multiply
82,864.74x = 114,353.37 × 45,138.99 - Step 4: Simplify right side
82,864.74x = 5,161,795,624.90 - Step 5: Solve for x
x = 5,161,795,624.90/82,864.74 - Step 6: Final answer
x = 62,291.82
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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.