Finding the Fourth Proportional to 89,074.21, 133,623.61 and 29,926.79
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Solution
The fourth proportional to 89,074.21, 133,623.61 and 29,926.79 is: 44,894.32
Step by Step Solution
- Step 1: Write the proportion equation
89,074.21 : 133,623.61 = 29,926.79 : x - Step 2: Convert to fraction form
89,074.21/133,623.61 = 29,926.79/x - Step 3: Cross multiply
89,074.21x = 133,623.61 × 29,926.79 - Step 4: Simplify right side
89,074.21x = 3,998,925,715.51 - Step 5: Solve for x
x = 3,998,925,715.51/89,074.21 - Step 6: Final answer
x = 44,894.32
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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.