Finding the Fourth Proportional to 91,575.18, 137,396.79 and 29,250.54
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Solution
The fourth proportional to 91,575.18, 137,396.79 and 29,250.54 is: 43,886.68
Step by Step Solution
- Step 1: Write the proportion equation
91,575.18 : 137,396.79 = 29,250.54 : x - Step 2: Convert to fraction form
91,575.18/137,396.79 = 29,250.54/x - Step 3: Cross multiply
91,575.18x = 137,396.79 × 29,250.54 - Step 4: Simplify right side
91,575.18x = 4,018,930,301.77 - Step 5: Solve for x
x = 4,018,930,301.77/91,575.18 - Step 6: Final answer
x = 43,886.68
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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.