Finding the Fourth Proportional to 82,918.80, 124,305.30 and 49,652.10
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Solution
The fourth proportional to 82,918.80, 124,305.30 and 49,652.10 is: 74,434.50
Step by Step Solution
- Step 1: Write the proportion equation
82,918.80 : 124,305.30 = 49,652.10 : x - Step 2: Convert to fraction form
82,918.80/124,305.30 = 49,652.10/x - Step 3: Cross multiply
82,918.80x = 124,305.30 × 49,652.10 - Step 4: Simplify right side
82,918.80x = 6,172,019,186.13 - Step 5: Solve for x
x = 6,172,019,186.13/82,918.80 - Step 6: Final answer
x = 74,434.50
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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.