Finding the Fourth Proportional to 91,890.99, 137,748.99 and 29,517.75
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Solution
The fourth proportional to 91,890.99, 137,748.99 and 29,517.75 is: 44,248.52
Step by Step Solution
- Step 1: Write the proportion equation
91,890.99 : 137,748.99 = 29,517.75 : x - Step 2: Convert to fraction form
91,890.99/137,748.99 = 29,517.75/x - Step 3: Cross multiply
91,890.99x = 137,748.99 × 29,517.75 - Step 4: Simplify right side
91,890.99x = 4,066,040,249.57 - Step 5: Solve for x
x = 4,066,040,249.57/91,890.99 - Step 6: Final answer
x = 44,248.52
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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.