Finding the Fourth Proportional to 89,197.62, 133,779.40 and 44,812.05
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Solution
The fourth proportional to 89,197.62, 133,779.40 and 44,812.05 is: 67,209.52
Step by Step Solution
- Step 1: Write the proportion equation
89,197.62 : 133,779.40 = 44,812.05 : x - Step 2: Convert to fraction form
89,197.62/133,779.40 = 44,812.05/x - Step 3: Cross multiply
89,197.62x = 133,779.40 × 44,812.05 - Step 4: Simplify right side
89,197.62x = 5,994,929,161.77 - Step 5: Solve for x
x = 5,994,929,161.77/89,197.62 - Step 6: Final answer
x = 67,209.52
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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.