Finding the Fourth Proportional to 68,998.88, 103,530.99 and 29,026.62
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Solution
The fourth proportional to 68,998.88, 103,530.99 and 29,026.62 is: 43,553.68
Step by Step Solution
- Step 1: Write the proportion equation
68,998.88 : 103,530.99 = 29,026.62 : x - Step 2: Convert to fraction form
68,998.88/103,530.99 = 29,026.62/x - Step 3: Cross multiply
68,998.88x = 103,530.99 × 29,026.62 - Step 4: Simplify right side
68,998.88x = 3,005,154,704.95 - Step 5: Solve for x
x = 3,005,154,704.95/68,998.88 - Step 6: Final answer
x = 43,553.68
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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.