Finding the Fourth Proportional to 77,858.28, 107,445.24 and 44,326.44
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Solution
The fourth proportional to 77,858.28, 107,445.24 and 44,326.44 is: 61,170.95
Step by Step Solution
- Step 1: Write the proportion equation
77,858.28 : 107,445.24 = 44,326.44 : x - Step 2: Convert to fraction form
77,858.28/107,445.24 = 44,326.44/x - Step 3: Cross multiply
77,858.28x = 107,445.24 × 44,326.44 - Step 4: Simplify right side
77,858.28x = 4,762,664,984.15 - Step 5: Solve for x
x = 4,762,664,984.15/77,858.28 - Step 6: Final answer
x = 61,170.95
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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.