Finding the Fourth Proportional to 84,314.39, 116,135.64 and 58,775.09
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Solution
The fourth proportional to 84,314.39, 116,135.64 and 58,775.09 is: 80,957.50
Step by Step Solution
- Step 1: Write the proportion equation
84,314.39 : 116,135.64 = 58,775.09 : x - Step 2: Convert to fraction form
84,314.39/116,135.64 = 58,775.09/x - Step 3: Cross multiply
84,314.39x = 116,135.64 × 58,775.09 - Step 4: Simplify right side
84,314.39x = 6,825,882,112.53 - Step 5: Solve for x
x = 6,825,882,112.53/84,314.39 - Step 6: Final answer
x = 80,957.50
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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.