Finding the Fourth Proportional to 91,882.99, 137,736.99 and 29,509.75
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Solution
The fourth proportional to 91,882.99, 137,736.99 and 29,509.75 is: 44,236.52
Step by Step Solution
- Step 1: Write the proportion equation
91,882.99 : 137,736.99 = 29,509.75 : x - Step 2: Convert to fraction form
91,882.99/137,736.99 = 29,509.75/x - Step 3: Cross multiply
91,882.99x = 137,736.99 × 29,509.75 - Step 4: Simplify right side
91,882.99x = 4,064,584,140.65 - Step 5: Solve for x
x = 4,064,584,140.65/91,882.99 - Step 6: Final answer
x = 44,236.52
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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.