Finding the Fourth Proportional to 82,315.84, 113,595.68 and 44,590.40
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Solution
The fourth proportional to 82,315.84, 113,595.68 and 44,590.40 is: 61,534.65
Step by Step Solution
- Step 1: Write the proportion equation
82,315.84 : 113,595.68 = 44,590.40 : x - Step 2: Convert to fraction form
82,315.84/113,595.68 = 44,590.40/x - Step 3: Cross multiply
82,315.84x = 113,595.68 × 44,590.40 - Step 4: Simplify right side
82,315.84x = 5,065,276,809.47 - Step 5: Solve for x
x = 5,065,276,809.47/82,315.84 - Step 6: Final answer
x = 61,534.65
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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.