Finding the Fourth Proportional to 88,422.08, 122,022.40 and 48,678.08
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Solution
The fourth proportional to 88,422.08, 122,022.40 and 48,678.08 is: 67,175.71
Step by Step Solution
- Step 1: Write the proportion equation
88,422.08 : 122,022.40 = 48,678.08 : x - Step 2: Convert to fraction form
88,422.08/122,022.40 = 48,678.08/x - Step 3: Cross multiply
88,422.08x = 122,022.40 × 48,678.08 - Step 4: Simplify right side
88,422.08x = 5,939,816,148.99 - Step 5: Solve for x
x = 5,939,816,148.99/88,422.08 - Step 6: Final answer
x = 67,175.71
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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.