Finding the Fourth Proportional to 77,188.80, 115,791.71 and 24,586.19
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Solution
The fourth proportional to 77,188.80, 115,791.71 and 24,586.19 is: 36,881.99
Step by Step Solution
- Step 1: Write the proportion equation
77,188.80 : 115,791.71 = 24,586.19 : x - Step 2: Convert to fraction form
77,188.80/115,791.71 = 24,586.19/x - Step 3: Cross multiply
77,188.80x = 115,791.71 × 24,586.19 - Step 4: Simplify right side
77,188.80x = 2,846,876,280.60 - Step 5: Solve for x
x = 2,846,876,280.60/77,188.80 - Step 6: Final answer
x = 36,881.99
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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.