Finding the Fourth Proportional to 76,950.20, 106,173.24 and 46,734.68
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Solution
The fourth proportional to 76,950.20, 106,173.24 and 46,734.68 is: 64,482.90
Step by Step Solution
- Step 1: Write the proportion equation
76,950.20 : 106,173.24 = 46,734.68 : x - Step 2: Convert to fraction form
76,950.20/106,173.24 = 46,734.68/x - Step 3: Cross multiply
76,950.20x = 106,173.24 × 46,734.68 - Step 4: Simplify right side
76,950.20x = 4,961,972,395.96 - Step 5: Solve for x
x = 4,961,972,395.96/76,950.20 - Step 6: Final answer
x = 64,482.90
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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.