Finding the Fourth Proportional to 91,825.11, 137,727.95 and 29,490.75
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Solution
The fourth proportional to 91,825.11, 137,727.95 and 29,490.75 is: 44,233.00
Step by Step Solution
- Step 1: Write the proportion equation
91,825.11 : 137,727.95 = 29,490.75 : x - Step 2: Convert to fraction form
91,825.11/137,727.95 = 29,490.75/x - Step 3: Cross multiply
91,825.11x = 137,727.95 × 29,490.75 - Step 4: Simplify right side
91,825.11x = 4,061,700,394.01 - Step 5: Solve for x
x = 4,061,700,394.01/91,825.11 - Step 6: Final answer
x = 44,233.00
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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.