Finding the Fourth Proportional to 107,637.45, 161,464.43 and 32,763.99
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Solution
The fourth proportional to 107,637.45, 161,464.43 and 32,763.99 is: 49,148.50
Step by Step Solution
- Step 1: Write the proportion equation
107,637.45 : 161,464.43 = 32,763.99 : x - Step 2: Convert to fraction form
107,637.45/161,464.43 = 32,763.99/x - Step 3: Cross multiply
107,637.45x = 161,464.43 × 32,763.99 - Step 4: Simplify right side
107,637.45x = 5,290,218,969.88 - Step 5: Solve for x
x = 5,290,218,969.88/107,637.45 - Step 6: Final answer
x = 49,148.50
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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.