Finding the Fourth Proportional to 117,065.07, 161,549.80 and 63,350.09
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Solution
The fourth proportional to 117,065.07, 161,549.80 and 63,350.09 is: 87,423.12
Step by Step Solution
- Step 1: Write the proportion equation
117,065.07 : 161,549.80 = 63,350.09 : x - Step 2: Convert to fraction form
117,065.07/161,549.80 = 63,350.09/x - Step 3: Cross multiply
117,065.07x = 161,549.80 × 63,350.09 - Step 4: Simplify right side
117,065.07x = 10,234,193,244.98 - Step 5: Solve for x
x = 10,234,193,244.98/117,065.07 - Step 6: Final answer
x = 87,423.12
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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.