Finding the Fourth Proportional to 82,424.93, 113,746.64 and 44,699.18
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Solution
The fourth proportional to 82,424.93, 113,746.64 and 44,699.18 is: 61,684.99
Step by Step Solution
- Step 1: Write the proportion equation
82,424.93 : 113,746.64 = 44,699.18 : x - Step 2: Convert to fraction form
82,424.93/113,746.64 = 44,699.18/x - Step 3: Cross multiply
82,424.93x = 113,746.64 × 44,699.18 - Step 4: Simplify right side
82,424.93x = 5,084,380,743.53 - Step 5: Solve for x
x = 5,084,380,743.53/82,424.93 - Step 6: Final answer
x = 61,684.99
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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.