Finding the Fourth Proportional to 68,175.99, 102,259.08 and 21,442.23
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Solution
The fourth proportional to 68,175.99, 102,259.08 and 21,442.23 is: 32,161.80
Step by Step Solution
- Step 1: Write the proportion equation
68,175.99 : 102,259.08 = 21,442.23 : x - Step 2: Convert to fraction form
68,175.99/102,259.08 = 21,442.23/x - Step 3: Cross multiply
68,175.99x = 102,259.08 × 21,442.23 - Step 4: Simplify right side
68,175.99x = 2,192,662,712.95 - Step 5: Solve for x
x = 2,192,662,712.95/68,175.99 - Step 6: Final answer
x = 32,161.80
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1.5x scale
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.