Finding the Fourth Proportional to 82,727.87, 124,031.30 and 26,535.99
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Solution
The fourth proportional to 82,727.87, 124,031.30 and 26,535.99 is: 39,784.58
Step by Step Solution
- Step 1: Write the proportion equation
82,727.87 : 124,031.30 = 26,535.99 : x - Step 2: Convert to fraction form
82,727.87/124,031.30 = 26,535.99/x - Step 3: Cross multiply
82,727.87x = 124,031.30 × 26,535.99 - Step 4: Simplify right side
82,727.87x = 3,291,293,203.81 - Step 5: Solve for x
x = 3,291,293,203.81/82,727.87 - Step 6: Final answer
x = 39,784.58
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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.