Finding the Fourth Proportional to 76,669.98, 115,005.50 and 26,749.88
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Solution
The fourth proportional to 76,669.98, 115,005.50 and 26,749.88 is: 40,125.00
Step by Step Solution
- Step 1: Write the proportion equation
76,669.98 : 115,005.50 = 26,749.88 : x - Step 2: Convert to fraction form
76,669.98/115,005.50 = 26,749.88/x - Step 3: Cross multiply
76,669.98x = 115,005.50 × 26,749.88 - Step 4: Simplify right side
76,669.98x = 3,076,383,324.34 - Step 5: Solve for x
x = 3,076,383,324.34/76,669.98 - Step 6: Final answer
x = 40,125.00
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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.