Finding the Fourth Proportional to 88,756.20, 132,996.06 and 55,855.08
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Solution
The fourth proportional to 88,756.20, 132,996.06 and 55,855.08 is: 83,695.62
Step by Step Solution
- Step 1: Write the proportion equation
88,756.20 : 132,996.06 = 55,855.08 : x - Step 2: Convert to fraction form
88,756.20/132,996.06 = 55,855.08/x - Step 3: Cross multiply
88,756.20x = 132,996.06 × 55,855.08 - Step 4: Simplify right side
88,756.20x = 7,428,505,570.98 - Step 5: Solve for x
x = 7,428,505,570.98/88,756.20 - Step 6: Final answer
x = 83,695.62
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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.