Finding the Fourth Proportional to 92,982.68, 128,311.96 and 52,694.08
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Solution
The fourth proportional to 92,982.68, 128,311.96 and 52,694.08 is: 72,715.49
Step by Step Solution
- Step 1: Write the proportion equation
92,982.68 : 128,311.96 = 52,694.08 : x - Step 2: Convert to fraction form
92,982.68/128,311.96 = 52,694.08/x - Step 3: Cross multiply
92,982.68x = 128,311.96 × 52,694.08 - Step 4: Simplify right side
92,982.68x = 6,761,280,685.20 - Step 5: Solve for x
x = 6,761,280,685.20/92,982.68 - Step 6: Final answer
x = 72,715.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.