Finding the Fourth Proportional to 86,558.24, 119,418.36 and 63,951.68
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Solution
The fourth proportional to 86,558.24, 119,418.36 and 63,951.68 is: 88,229.67
Step by Step Solution
- Step 1: Write the proportion equation
86,558.24 : 119,418.36 = 63,951.68 : x - Step 2: Convert to fraction form
86,558.24/119,418.36 = 63,951.68/x - Step 3: Cross multiply
86,558.24x = 119,418.36 × 63,951.68 - Step 4: Simplify right side
86,558.24x = 7,637,004,744.84 - Step 5: Solve for x
x = 7,637,004,744.84/86,558.24 - Step 6: Final answer
x = 88,229.67
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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.