Finding the Fourth Proportional to 76,634.74, 105,753.99 and 44,364.88
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Solution
The fourth proportional to 76,634.74, 105,753.99 and 44,364.88 is: 61,222.40
Step by Step Solution
- Step 1: Write the proportion equation
76,634.74 : 105,753.99 = 44,364.88 : x - Step 2: Convert to fraction form
76,634.74/105,753.99 = 44,364.88/x - Step 3: Cross multiply
76,634.74x = 105,753.99 × 44,364.88 - Step 4: Simplify right side
76,634.74x = 4,691,763,075.87 - Step 5: Solve for x
x = 4,691,763,075.87/76,634.74 - Step 6: Final answer
x = 61,222.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.