Finding the Fourth Proportional to 96,778.24, 133,555.69 and 53,761.62
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Solution
The fourth proportional to 96,778.24, 133,555.69 and 53,761.62 is: 74,191.99
Step by Step Solution
- Step 1: Write the proportion equation
96,778.24 : 133,555.69 = 53,761.62 : x - Step 2: Convert to fraction form
96,778.24/133,555.69 = 53,761.62/x - Step 3: Cross multiply
96,778.24x = 133,555.69 × 53,761.62 - Step 4: Simplify right side
96,778.24x = 7,180,170,520.24 - Step 5: Solve for x
x = 7,180,170,520.24/96,778.24 - Step 6: Final answer
x = 74,191.99
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1.5x scale
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.