Finding the Fourth Proportional to 88,858.68, 122,416.50 and 61,952.28
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Solution
The fourth proportional to 88,858.68, 122,416.50 and 61,952.28 is: 85,348.80
Step by Step Solution
- Step 1: Write the proportion equation
88,858.68 : 122,416.50 = 61,952.28 : x - Step 2: Convert to fraction form
88,858.68/122,416.50 = 61,952.28/x - Step 3: Cross multiply
88,858.68x = 122,416.50 × 61,952.28 - Step 4: Simplify right side
88,858.68x = 7,583,981,284.62 - Step 5: Solve for x
x = 7,583,981,284.62/88,858.68 - Step 6: Final answer
x = 85,348.80
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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.