Finding the Fourth Proportional to 82,961.41, 124,483.64 and 37,982.68
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Solution
The fourth proportional to 82,961.41, 124,483.64 and 37,982.68 is: 56,993.03
Step by Step Solution
- Step 1: Write the proportion equation
82,961.41 : 124,483.64 = 37,982.68 : x - Step 2: Convert to fraction form
82,961.41/124,483.64 = 37,982.68/x - Step 3: Cross multiply
82,961.41x = 124,483.64 × 37,982.68 - Step 4: Simplify right side
82,961.41x = 4,728,222,263.36 - Step 5: Solve for x
x = 4,728,222,263.36/82,961.41 - Step 6: Final answer
x = 56,993.03
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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.