Finding the Fourth Proportional to 96,120.23, 132,647.90 and 53,678.79
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Solution
The fourth proportional to 96,120.23, 132,647.90 and 53,678.79 is: 74,077.84
Step by Step Solution
- Step 1: Write the proportion equation
96,120.23 : 132,647.90 = 53,678.79 : x - Step 2: Convert to fraction form
96,120.23/132,647.90 = 53,678.79/x - Step 3: Cross multiply
96,120.23x = 132,647.90 × 53,678.79 - Step 4: Simplify right side
96,120.23x = 7,120,378,499.65 - Step 5: Solve for x
x = 7,120,378,499.65/96,120.23 - Step 6: Final answer
x = 74,077.84
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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.