Finding the Fourth Proportional to 68,574.80, 102,862.20 and 24,201.20
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Solution
The fourth proportional to 68,574.80, 102,862.20 and 24,201.20 is: 36,301.80
Step by Step Solution
- Step 1: Write the proportion equation
68,574.80 : 102,862.20 = 24,201.20 : x - Step 2: Convert to fraction form
68,574.80/102,862.20 = 24,201.20/x - Step 3: Cross multiply
68,574.80x = 102,862.20 × 24,201.20 - Step 4: Simplify right side
68,574.80x = 2,489,388,674.64 - Step 5: Solve for x
x = 2,489,388,674.64/68,574.80 - Step 6: Final answer
x = 36,301.80
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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.