Finding the Fourth Proportional to 79,311.28, 118,840.44 and 41,869.84
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Solution
The fourth proportional to 79,311.28, 118,840.44 and 41,869.84 is: 62,737.99
Step by Step Solution
- Step 1: Write the proportion equation
79,311.28 : 118,840.44 = 41,869.84 : x - Step 2: Convert to fraction form
79,311.28/118,840.44 = 41,869.84/x - Step 3: Cross multiply
79,311.28x = 118,840.44 × 41,869.84 - Step 4: Simplify right side
79,311.28x = 4,975,830,208.33 - Step 5: Solve for x
x = 4,975,830,208.33/79,311.28 - Step 6: Final answer
x = 62,737.99
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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.