Finding the Fourth Proportional to 76,923.45, 115,356.99 and 32,553.66
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Solution
The fourth proportional to 76,923.45, 115,356.99 and 32,553.66 is: 48,818.56
Step by Step Solution
- Step 1: Write the proportion equation
76,923.45 : 115,356.99 = 32,553.66 : x - Step 2: Convert to fraction form
76,923.45/115,356.99 = 32,553.66/x - Step 3: Cross multiply
76,923.45x = 115,356.99 × 32,553.66 - Step 4: Simplify right side
76,923.45x = 3,755,292,231.08 - Step 5: Solve for x
x = 3,755,292,231.08/76,923.45 - Step 6: Final answer
x = 48,818.56
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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.