Finding the Fourth Proportional to 77,830.26, 116,759.98 and 36,277.26
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Solution
The fourth proportional to 77,830.26, 116,759.98 and 36,277.26 is: 54,422.69
Step by Step Solution
- Step 1: Write the proportion equation
77,830.26 : 116,759.98 = 36,277.26 : x - Step 2: Convert to fraction form
77,830.26/116,759.98 = 36,277.26/x - Step 3: Cross multiply
77,830.26x = 116,759.98 × 36,277.26 - Step 4: Simplify right side
77,830.26x = 4,235,732,152.05 - Step 5: Solve for x
x = 4,235,732,152.05/77,830.26 - Step 6: Final answer
x = 54,422.69
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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.