Finding the Fourth Proportional to 76,557.68, 114,869.88 and 29,794.32
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Solution
The fourth proportional to 76,557.68, 114,869.88 and 29,794.32 is: 44,704.46
Step by Step Solution
- Step 1: Write the proportion equation
76,557.68 : 114,869.88 = 29,794.32 : x - Step 2: Convert to fraction form
76,557.68/114,869.88 = 29,794.32/x - Step 3: Cross multiply
76,557.68x = 114,869.88 × 29,794.32 - Step 4: Simplify right side
76,557.68x = 3,422,469,963.08 - Step 5: Solve for x
x = 3,422,469,963.08/76,557.68 - Step 6: Final answer
x = 44,704.46
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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.