Finding the Fourth Proportional to 107,774.64, 161,661.99 and 32,895.20
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Solution
The fourth proportional to 107,774.64, 161,661.99 and 32,895.20 is: 49,342.80
Step by Step Solution
- Step 1: Write the proportion equation
107,774.64 : 161,661.99 = 32,895.20 : x - Step 2: Convert to fraction form
107,774.64/161,661.99 = 32,895.20/x - Step 3: Cross multiply
107,774.64x = 161,661.99 × 32,895.20 - Step 4: Simplify right side
107,774.64x = 5,317,902,685.14 - Step 5: Solve for x
x = 5,317,902,685.14/107,774.64 - Step 6: Final answer
x = 49,342.80
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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.