Finding the Fourth Proportional to 82,381.19, 113,686.07 and 44,655.44
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Solution
The fourth proportional to 82,381.19, 113,686.07 and 44,655.44 is: 61,624.52
Step by Step Solution
- Step 1: Write the proportion equation
82,381.19 : 113,686.07 = 44,655.44 : x - Step 2: Convert to fraction form
82,381.19/113,686.07 = 44,655.44/x - Step 3: Cross multiply
82,381.19x = 113,686.07 × 44,655.44 - Step 4: Simplify right side
82,381.19x = 5,076,700,686.01 - Step 5: Solve for x
x = 5,076,700,686.01/82,381.19 - Step 6: Final answer
x = 61,624.52
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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.