Finding the Fourth Proportional to 91,879.99, 137,732.50 and 29,506.75
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Solution
The fourth proportional to 91,879.99, 137,732.50 and 29,506.75 is: 44,232.03
Step by Step Solution
- Step 1: Write the proportion equation
91,879.99 : 137,732.50 = 29,506.75 : x - Step 2: Convert to fraction form
91,879.99/137,732.50 = 29,506.75/x - Step 3: Cross multiply
91,879.99x = 137,732.50 × 29,506.75 - Step 4: Simplify right side
91,879.99x = 4,064,038,444.38 - Step 5: Solve for x
x = 4,064,038,444.38/91,879.99 - Step 6: Final answer
x = 44,232.03
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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.