Finding the Fourth Proportional to 117,532.01, 162,197.84 and 66,543.93
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Solution
The fourth proportional to 117,532.01, 162,197.84 and 66,543.93 is: 91,832.70
Step by Step Solution
- Step 1: Write the proportion equation
117,532.01 : 162,197.84 = 66,543.93 : x - Step 2: Convert to fraction form
117,532.01/162,197.84 = 66,543.93/x - Step 3: Cross multiply
117,532.01x = 162,197.84 × 66,543.93 - Step 4: Simplify right side
117,532.01x = 10,793,281,877.47 - Step 5: Solve for x
x = 10,793,281,877.47/117,532.01 - Step 6: Final answer
x = 91,832.70
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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.