Finding the Fourth Proportional to 107,975.36, 161,892.84 and 44,778.08
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Solution
The fourth proportional to 107,975.36, 161,892.84 and 44,778.08 is: 67,138.01
Step by Step Solution
- Step 1: Write the proportion equation
107,975.36 : 161,892.84 = 44,778.08 : x - Step 2: Convert to fraction form
107,975.36/161,892.84 = 44,778.08/x - Step 3: Cross multiply
107,975.36x = 161,892.84 × 44,778.08 - Step 4: Simplify right side
107,975.36x = 7,249,250,540.95 - Step 5: Solve for x
x = 7,249,250,540.95/107,975.36 - Step 6: Final answer
x = 67,138.01
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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.