Finding the Fourth Proportional to 77,325.44, 106,716.57 and 43,339.65
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Solution
The fourth proportional to 77,325.44, 106,716.57 and 43,339.65 is: 59,812.90
Step by Step Solution
- Step 1: Write the proportion equation
77,325.44 : 106,716.57 = 43,339.65 : x - Step 2: Convert to fraction form
77,325.44/106,716.57 = 43,339.65/x - Step 3: Cross multiply
77,325.44x = 106,716.57 × 43,339.65 - Step 4: Simplify right side
77,325.44x = 4,625,058,793.00 - Step 5: Solve for x
x = 4,625,058,793.00/77,325.44 - Step 6: Final answer
x = 59,812.90
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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.