Finding the Fourth Proportional to 76,951.20, 106,174.62 and 46,735.68
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Solution
The fourth proportional to 76,951.20, 106,174.62 and 46,735.68 is: 64,484.28
Step by Step Solution
- Step 1: Write the proportion equation
76,951.20 : 106,174.62 = 46,735.68 : x - Step 2: Convert to fraction form
76,951.20/106,174.62 = 46,735.68/x - Step 3: Cross multiply
76,951.20x = 106,174.62 × 46,735.68 - Step 4: Simplify right side
76,951.20x = 4,962,143,064.44 - Step 5: Solve for x
x = 4,962,143,064.44/76,951.20 - Step 6: Final answer
x = 64,484.28
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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.