Finding the Fourth Proportional to 117,528.52, 162,192.84 and 63,817.02
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Solution
The fourth proportional to 117,528.52, 162,192.84 and 63,817.02 is: 88,069.38
Step by Step Solution
- Step 1: Write the proportion equation
117,528.52 : 162,192.84 = 63,817.02 : x - Step 2: Convert to fraction form
117,528.52/162,192.84 = 63,817.02/x - Step 3: Cross multiply
117,528.52x = 162,192.84 × 63,817.02 - Step 4: Simplify right side
117,528.52x = 10,350,663,714.14 - Step 5: Solve for x
x = 10,350,663,714.14/117,528.52 - Step 6: Final answer
x = 88,069.38
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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.