Finding the Fourth Proportional to 88,963.59, 122,757.64 and 53,145.99
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Solution
The fourth proportional to 88,963.59, 122,757.64 and 53,145.99 is: 73,334.23
Step by Step Solution
- Step 1: Write the proportion equation
88,963.59 : 122,757.64 = 53,145.99 : x - Step 2: Convert to fraction form
88,963.59/122,757.64 = 53,145.99/x - Step 3: Cross multiply
88,963.59x = 122,757.64 × 53,145.99 - Step 4: Simplify right side
88,963.59x = 6,524,076,042.13 - Step 5: Solve for x
x = 6,524,076,042.13/88,963.59 - Step 6: Final answer
x = 73,334.23
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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.