Finding the Fourth Proportional to 79,872.44, 110,237.01 and 48,058.88
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Solution
The fourth proportional to 79,872.44, 110,237.01 and 48,058.88 is: 66,329.10
Step by Step Solution
- Step 1: Write the proportion equation
79,872.44 : 110,237.01 = 48,058.88 : x - Step 2: Convert to fraction form
79,872.44/110,237.01 = 48,058.88/x - Step 3: Cross multiply
79,872.44x = 110,237.01 × 48,058.88 - Step 4: Simplify right side
79,872.44x = 5,297,867,235.15 - Step 5: Solve for x
x = 5,297,867,235.15/79,872.44 - Step 6: Final answer
x = 66,329.10
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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.