Finding the Fourth Proportional to 88,965.59, 122,760.39 and 53,147.99
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Solution
The fourth proportional to 88,965.59, 122,760.39 and 53,147.99 is: 73,336.98
Step by Step Solution
- Step 1: Write the proportion equation
88,965.59 : 122,760.39 = 53,147.99 : x - Step 2: Convert to fraction form
88,965.59/122,760.39 = 53,147.99/x - Step 3: Cross multiply
88,965.59x = 122,760.39 × 53,147.99 - Step 4: Simplify right side
88,965.59x = 6,524,467,980.12 - Step 5: Solve for x
x = 6,524,467,980.12/88,965.59 - Step 6: Final answer
x = 73,336.98
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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.