Finding the Fourth Proportional to 76,962.54, 115,455.36 and 27,033.84
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Solution
The fourth proportional to 76,962.54, 115,455.36 and 27,033.84 is: 40,554.82
Step by Step Solution
- Step 1: Write the proportion equation
76,962.54 : 115,455.36 = 27,033.84 : x - Step 2: Convert to fraction form
76,962.54/115,455.36 = 27,033.84/x - Step 3: Cross multiply
76,962.54x = 115,455.36 × 27,033.84 - Step 4: Simplify right side
76,962.54x = 3,121,201,729.38 - Step 5: Solve for x
x = 3,121,201,729.38/76,962.54 - Step 6: Final answer
x = 40,554.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.