Finding the Fourth Proportional to 82,709.70, 124,057.14 and 26,534.55
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Solution
The fourth proportional to 82,709.70, 124,057.14 and 26,534.55 is: 39,799.45
Step by Step Solution
- Step 1: Write the proportion equation
82,709.70 : 124,057.14 = 26,534.55 : x - Step 2: Convert to fraction form
82,709.70/124,057.14 = 26,534.55/x - Step 3: Cross multiply
82,709.70x = 124,057.14 × 26,534.55 - Step 4: Simplify right side
82,709.70x = 3,291,800,384.19 - Step 5: Solve for x
x = 3,291,800,384.19/82,709.70 - Step 6: Final answer
x = 39,799.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.