Finding the Fourth Proportional to 89,997.75, 134,971.11 and 37,342.08
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Solution
The fourth proportional to 89,997.75, 134,971.11 and 37,342.08 is: 56,002.53
Step by Step Solution
- Step 1: Write the proportion equation
89,997.75 : 134,971.11 = 37,342.08 : x - Step 2: Convert to fraction form
89,997.75/134,971.11 = 37,342.08/x - Step 3: Cross multiply
89,997.75x = 134,971.11 × 37,342.08 - Step 4: Simplify right side
89,997.75x = 5,040,101,987.31 - Step 5: Solve for x
x = 5,040,101,987.31/89,997.75 - Step 6: Final answer
x = 56,002.53
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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.