Finding the Fourth Proportional to 82,160.70, 113,381.12 and 44,434.95
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Solution
The fourth proportional to 82,160.70, 113,381.12 and 44,434.95 is: 61,319.88
Step by Step Solution
- Step 1: Write the proportion equation
82,160.70 : 113,381.12 = 44,434.95 : x - Step 2: Convert to fraction form
82,160.70/113,381.12 = 44,434.95/x - Step 3: Cross multiply
82,160.70x = 113,381.12 × 44,434.95 - Step 4: Simplify right side
82,160.70x = 5,038,084,398.14 - Step 5: Solve for x
x = 5,038,084,398.14/82,160.70 - Step 6: Final answer
x = 61,319.88
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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.