Finding the Fourth Proportional to 112,833.07, 169,245.49 and 45,385.99
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Solution
The fourth proportional to 112,833.07, 169,245.49 and 45,385.99 is: 68,077.33
Step by Step Solution
- Step 1: Write the proportion equation
112,833.07 : 169,245.49 = 45,385.99 : x - Step 2: Convert to fraction form
112,833.07/169,245.49 = 45,385.99/x - Step 3: Cross multiply
112,833.07x = 169,245.49 × 45,385.99 - Step 4: Simplify right side
112,833.07x = 7,681,374,116.69 - Step 5: Solve for x
x = 7,681,374,116.69/112,833.07 - Step 6: Final answer
x = 68,077.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.