Finding the Fourth Proportional to 98,655.12, 147,996.72 and 32,073.84
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Solution
The fourth proportional to 98,655.12, 147,996.72 and 32,073.84 is: 48,115.32
Step by Step Solution
- Step 1: Write the proportion equation
98,655.12 : 147,996.72 = 32,073.84 : x - Step 2: Convert to fraction form
98,655.12/147,996.72 = 32,073.84/x - Step 3: Cross multiply
98,655.12x = 147,996.72 × 32,073.84 - Step 4: Simplify right side
98,655.12x = 4,746,823,117.80 - Step 5: Solve for x
x = 4,746,823,117.80/98,655.12 - Step 6: Final answer
x = 48,115.32
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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.