Finding the Fourth Proportional to 76,763.58, 115,179.93 and 41,650.62
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Solution
The fourth proportional to 76,763.58, 115,179.93 and 41,650.62 is: 62,494.68
Step by Step Solution
- Step 1: Write the proportion equation
76,763.58 : 115,179.93 = 41,650.62 : x - Step 2: Convert to fraction form
76,763.58/115,179.93 = 41,650.62/x - Step 3: Cross multiply
76,763.58x = 115,179.93 × 41,650.62 - Step 4: Simplify right side
76,763.58x = 4,797,315,496.06 - Step 5: Solve for x
x = 4,797,315,496.06/76,763.58 - Step 6: Final answer
x = 62,494.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.