Finding the Fourth Proportional to 98,645.12, 147,981.72 and 32,063.84
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Solution
The fourth proportional to 98,645.12, 147,981.72 and 32,063.84 is: 48,100.32
Step by Step Solution
- Step 1: Write the proportion equation
98,645.12 : 147,981.72 = 32,063.84 : x - Step 2: Convert to fraction form
98,645.12/147,981.72 = 32,063.84/x - Step 3: Cross multiply
98,645.12x = 147,981.72 × 32,063.84 - Step 4: Simplify right side
98,645.12x = 4,744,862,193.00 - Step 5: Solve for x
x = 4,744,862,193.00/98,645.12 - Step 6: Final answer
x = 48,100.32
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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.