Finding the Fourth Proportional to 76,768.90, 115,142.41 and 24,177.02
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Solution
The fourth proportional to 76,768.90, 115,142.41 and 24,177.02 is: 36,262.08
Step by Step Solution
- Step 1: Write the proportion equation
76,768.90 : 115,142.41 = 24,177.02 : x - Step 2: Convert to fraction form
76,768.90/115,142.41 = 24,177.02/x - Step 3: Cross multiply
76,768.90x = 115,142.41 × 24,177.02 - Step 4: Simplify right side
76,768.90x = 2,783,799,803.93 - Step 5: Solve for x
x = 2,783,799,803.93/76,768.90 - Step 6: Final answer
x = 36,262.08
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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.