Finding the Fourth Proportional to 68,357.20, 102,536.04 and 33,266.80
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Solution
The fourth proportional to 68,357.20, 102,536.04 and 33,266.80 is: 49,900.32
Step by Step Solution
- Step 1: Write the proportion equation
68,357.20 : 102,536.04 = 33,266.80 : x - Step 2: Convert to fraction form
68,357.20/102,536.04 = 33,266.80/x - Step 3: Cross multiply
68,357.20x = 102,536.04 × 33,266.80 - Step 4: Simplify right side
68,357.20x = 3,411,045,935.47 - Step 5: Solve for x
x = 3,411,045,935.47/68,357.20 - Step 6: Final answer
x = 49,900.32
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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.