Finding the Fourth Proportional to 82,955.70, 124,433.55 and 27,551.70
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Solution
The fourth proportional to 82,955.70, 124,433.55 and 27,551.70 is: 41,327.55
Step by Step Solution
- Step 1: Write the proportion equation
82,955.70 : 124,433.55 = 27,551.70 : x - Step 2: Convert to fraction form
82,955.70/124,433.55 = 27,551.70/x - Step 3: Cross multiply
82,955.70x = 124,433.55 × 27,551.70 - Step 4: Simplify right side
82,955.70x = 3,428,355,839.54 - Step 5: Solve for x
x = 3,428,355,839.54/82,955.70 - Step 6: Final answer
x = 41,327.55
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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.