Finding the Fourth Proportional to 80,291.09, 110,757.06 and 63,232.49
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Solution
The fourth proportional to 80,291.09, 110,757.06 and 63,232.49 is: 87,225.68
Step by Step Solution
- Step 1: Write the proportion equation
80,291.09 : 110,757.06 = 63,232.49 : x - Step 2: Convert to fraction form
80,291.09/110,757.06 = 63,232.49/x - Step 3: Cross multiply
80,291.09x = 110,757.06 × 63,232.49 - Step 4: Simplify right side
80,291.09x = 7,003,444,135.09 - Step 5: Solve for x
x = 7,003,444,135.09/80,291.09 - Step 6: Final answer
x = 87,225.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.