Finding the Fourth Proportional to 91,497.06, 137,265.84 and 29,167.56
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Solution
The fourth proportional to 91,497.06, 137,265.84 and 29,167.56 is: 43,757.80
Step by Step Solution
- Step 1: Write the proportion equation
91,497.06 : 137,265.84 = 29,167.56 : x - Step 2: Convert to fraction form
91,497.06/137,265.84 = 29,167.56/x - Step 3: Cross multiply
91,497.06x = 137,265.84 × 29,167.56 - Step 4: Simplify right side
91,497.06x = 4,003,709,624.15 - Step 5: Solve for x
x = 4,003,709,624.15/91,497.06 - Step 6: Final answer
x = 43,757.80
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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.