Finding the Fourth Proportional to 82,907.16, 124,360.74 and 20,577.68
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Solution
The fourth proportional to 82,907.16, 124,360.74 and 20,577.68 is: 30,866.52
Step by Step Solution
- Step 1: Write the proportion equation
82,907.16 : 124,360.74 = 20,577.68 : x - Step 2: Convert to fraction form
82,907.16/124,360.74 = 20,577.68/x - Step 3: Cross multiply
82,907.16x = 124,360.74 × 20,577.68 - Step 4: Simplify right side
82,907.16x = 2,559,055,512.28 - Step 5: Solve for x
x = 2,559,055,512.28/82,907.16 - Step 6: Final answer
x = 30,866.52
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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.