Finding the Fourth Proportional to 88,107.12, 121,589.64 and 49,866.67
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Solution
The fourth proportional to 88,107.12, 121,589.64 and 49,866.67 is: 68,817.02
Step by Step Solution
- Step 1: Write the proportion equation
88,107.12 : 121,589.64 = 49,866.67 : x - Step 2: Convert to fraction form
88,107.12/121,589.64 = 49,866.67/x - Step 3: Cross multiply
88,107.12x = 121,589.64 × 49,866.67 - Step 4: Simplify right side
88,107.12x = 6,063,269,783.02 - Step 5: Solve for x
x = 6,063,269,783.02/88,107.12 - Step 6: Final answer
x = 68,817.02
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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.