Finding the Fourth Proportional to 124,359.42, 171,616.01 and 67,770.75
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Solution
The fourth proportional to 124,359.42, 171,616.01 and 67,770.75 is: 93,523.64
Step by Step Solution
- Step 1: Write the proportion equation
124,359.42 : 171,616.01 = 67,770.75 : x - Step 2: Convert to fraction form
124,359.42/171,616.01 = 67,770.75/x - Step 3: Cross multiply
124,359.42x = 171,616.01 × 67,770.75 - Step 4: Simplify right side
124,359.42x = 11,630,545,370.85 - Step 5: Solve for x
x = 11,630,545,370.85/124,359.42 - Step 6: Final answer
x = 93,523.64
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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.