Finding the Fourth Proportional to 82,455.09, 113,756.97 and 48,465.06
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Solution
The fourth proportional to 82,455.09, 113,756.97 and 48,465.06 is: 66,863.53
Step by Step Solution
- Step 1: Write the proportion equation
82,455.09 : 113,756.97 = 48,465.06 : x - Step 2: Convert to fraction form
82,455.09/113,756.97 = 48,465.06/x - Step 3: Cross multiply
82,455.09x = 113,756.97 × 48,465.06 - Step 4: Simplify right side
82,455.09x = 5,513,238,376.47 - Step 5: Solve for x
x = 5,513,238,376.47/82,455.09 - Step 6: Final answer
x = 66,863.53
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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.