Finding the Fourth Proportional to 80,232.80, 110,719.68 and 44,421.98
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Solution
The fourth proportional to 80,232.80, 110,719.68 and 44,421.98 is: 61,301.46
Step by Step Solution
- Step 1: Write the proportion equation
80,232.80 : 110,719.68 = 44,421.98 : x - Step 2: Convert to fraction form
80,232.80/110,719.68 = 44,421.98/x - Step 3: Cross multiply
80,232.80x = 110,719.68 × 44,421.98 - Step 4: Simplify right side
80,232.80x = 4,918,387,410.57 - Step 5: Solve for x
x = 4,918,387,410.57/80,232.80 - Step 6: Final answer
x = 61,301.46
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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.