Finding the Fourth Proportional to 82,119.56, 113,325.14 and 44,393.80
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Solution
The fourth proportional to 82,119.56, 113,325.14 and 44,393.80 is: 61,263.52
Step by Step Solution
- Step 1: Write the proportion equation
82,119.56 : 113,325.14 = 44,393.80 : x - Step 2: Convert to fraction form
82,119.56/113,325.14 = 44,393.80/x - Step 3: Cross multiply
82,119.56x = 113,325.14 × 44,393.80 - Step 4: Simplify right side
82,119.56x = 5,030,933,600.13 - Step 5: Solve for x
x = 5,030,933,600.13/82,119.56 - Step 6: Final answer
x = 61,263.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.