Finding the Fourth Proportional to 78,226.62, 107,959.41 and 44,241.14
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Solution
The fourth proportional to 78,226.62, 107,959.41 and 44,241.14 is: 61,056.55
Step by Step Solution
- Step 1: Write the proportion equation
78,226.62 : 107,959.41 = 44,241.14 : x - Step 2: Convert to fraction form
78,226.62/107,959.41 = 44,241.14/x - Step 3: Cross multiply
78,226.62x = 107,959.41 × 44,241.14 - Step 4: Simplify right side
78,226.62x = 4,776,247,642.03 - Step 5: Solve for x
x = 4,776,247,642.03/78,226.62 - Step 6: Final answer
x = 61,056.55
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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.