Finding the Fourth Proportional to 82,923.62, 114,437.69 and 47,119.70
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Solution
The fourth proportional to 82,923.62, 114,437.69 and 47,119.70 is: 65,026.94
Step by Step Solution
- Step 1: Write the proportion equation
82,923.62 : 114,437.69 = 47,119.70 : x - Step 2: Convert to fraction form
82,923.62/114,437.69 = 47,119.70/x - Step 3: Cross multiply
82,923.62x = 114,437.69 × 47,119.70 - Step 4: Simplify right side
82,923.62x = 5,392,268,813.71 - Step 5: Solve for x
x = 5,392,268,813.71/82,923.62 - Step 6: Final answer
x = 65,026.94
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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.