Finding the Fourth Proportional to 82,125.04, 123,289.62 and 57,322.84
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Solution
The fourth proportional to 82,125.04, 123,289.62 and 57,322.84 is: 86,055.50
Step by Step Solution
- Step 1: Write the proportion equation
82,125.04 : 123,289.62 = 57,322.84 : x - Step 2: Convert to fraction form
82,125.04/123,289.62 = 57,322.84/x - Step 3: Cross multiply
82,125.04x = 123,289.62 × 57,322.84 - Step 4: Simplify right side
82,125.04x = 7,067,311,160.92 - Step 5: Solve for x
x = 7,067,311,160.92/82,125.04 - Step 6: Final answer
x = 86,055.50
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1.5x scale
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.