Finding the Fourth Proportional to 82,809.93, 124,197.48 and 26,655.06
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Solution
The fourth proportional to 82,809.93, 124,197.48 and 26,655.06 is: 39,976.98
Step by Step Solution
- Step 1: Write the proportion equation
82,809.93 : 124,197.48 = 26,655.06 : x - Step 2: Convert to fraction form
82,809.93/124,197.48 = 26,655.06/x - Step 3: Cross multiply
82,809.93x = 124,197.48 × 26,655.06 - Step 4: Simplify right side
82,809.93x = 3,310,491,281.25 - Step 5: Solve for x
x = 3,310,491,281.25/82,809.93 - Step 6: Final answer
x = 39,976.98
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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.