Finding the Fourth Proportional to 87,304.84, 120,481.14 and 51,027.40
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Solution
The fourth proportional to 87,304.84, 120,481.14 and 51,027.40 is: 70,418.08
Step by Step Solution
- Step 1: Write the proportion equation
87,304.84 : 120,481.14 = 51,027.40 : x - Step 2: Convert to fraction form
87,304.84/120,481.14 = 51,027.40/x - Step 3: Cross multiply
87,304.84x = 120,481.14 × 51,027.40 - Step 4: Simplify right side
87,304.84x = 6,147,839,323.24 - Step 5: Solve for x
x = 6,147,839,323.24/87,304.84 - Step 6: Final answer
x = 70,418.08
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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.