Finding the Fourth Proportional to 91,888.99, 137,745.99 and 29,515.75
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Solution
The fourth proportional to 91,888.99, 137,745.99 and 29,515.75 is: 44,245.52
Step by Step Solution
- Step 1: Write the proportion equation
91,888.99 : 137,745.99 = 29,515.75 : x - Step 2: Convert to fraction form
91,888.99/137,745.99 = 29,515.75/x - Step 3: Cross multiply
91,888.99x = 137,745.99 × 29,515.75 - Step 4: Simplify right side
91,888.99x = 4,065,676,204.34 - Step 5: Solve for x
x = 4,065,676,204.34/91,888.99 - Step 6: Final answer
x = 44,245.52
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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.