Finding the Fourth Proportional to 91,838.42, 137,757.63 and 29,552.66
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Solution
The fourth proportional to 91,838.42, 137,757.63 and 29,552.66 is: 44,328.99
Step by Step Solution
- Step 1: Write the proportion equation
91,838.42 : 137,757.63 = 29,552.66 : x - Step 2: Convert to fraction form
91,838.42/137,757.63 = 29,552.66/x - Step 3: Cross multiply
91,838.42x = 137,757.63 × 29,552.66 - Step 4: Simplify right side
91,838.42x = 4,071,104,401.80 - Step 5: Solve for x
x = 4,071,104,401.80/91,838.42 - Step 6: Final answer
x = 44,328.99
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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.