Finding the Fourth Proportional to 88,963.08, 122,756.94 and 53,145.49
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Solution
The fourth proportional to 88,963.08, 122,756.94 and 53,145.49 is: 73,333.54
Step by Step Solution
- Step 1: Write the proportion equation
88,963.08 : 122,756.94 = 53,145.49 : x - Step 2: Convert to fraction form
88,963.08/122,756.94 = 53,145.49/x - Step 3: Cross multiply
88,963.08x = 122,756.94 × 53,145.49 - Step 4: Simplify right side
88,963.08x = 6,523,978,145.20 - Step 5: Solve for x
x = 6,523,978,145.20/88,963.08 - Step 6: Final answer
x = 73,333.54
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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.