Finding the Fourth Proportional to 88,006.24, 121,405.68 and 50,270.56
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Solution
The fourth proportional to 88,006.24, 121,405.68 and 50,270.56 is: 69,348.85
Step by Step Solution
- Step 1: Write the proportion equation
88,006.24 : 121,405.68 = 50,270.56 : x - Step 2: Convert to fraction form
88,006.24/121,405.68 = 50,270.56/x - Step 3: Cross multiply
88,006.24x = 121,405.68 × 50,270.56 - Step 4: Simplify right side
88,006.24x = 6,103,131,520.78 - Step 5: Solve for x
x = 6,103,131,520.78/88,006.24 - Step 6: Final answer
x = 69,348.85
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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.