Finding the Fourth Proportional to 78,040.44, 107,695.68 and 44,056.08
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Solution
The fourth proportional to 78,040.44, 107,695.68 and 44,056.08 is: 60,797.32
Step by Step Solution
- Step 1: Write the proportion equation
78,040.44 : 107,695.68 = 44,056.08 : x - Step 2: Convert to fraction form
78,040.44/107,695.68 = 44,056.08/x - Step 3: Cross multiply
78,040.44x = 107,695.68 × 44,056.08 - Step 4: Simplify right side
78,040.44x = 4,744,649,493.73 - Step 5: Solve for x
x = 4,744,649,493.73/78,040.44 - Step 6: Final answer
x = 60,797.32
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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.