Finding the Fourth Proportional to 96,828.96, 145,171.84 and 40,685.68
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Solution
The fourth proportional to 96,828.96, 145,171.84 and 40,685.68 is: 60,998.44
Step by Step Solution
- Step 1: Write the proportion equation
96,828.96 : 145,171.84 = 40,685.68 : x - Step 2: Convert to fraction form
96,828.96/145,171.84 = 40,685.68/x - Step 3: Cross multiply
96,828.96x = 145,171.84 × 40,685.68 - Step 4: Simplify right side
96,828.96x = 5,906,415,027.25 - Step 5: Solve for x
x = 5,906,415,027.25/96,828.96 - Step 6: Final answer
x = 60,998.44
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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.