Finding the Fourth Proportional to 76,563.84, 105,686.96 and 44,743.08
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Solution
The fourth proportional to 76,563.84, 105,686.96 and 44,743.08 is: 61,762.32
Step by Step Solution
- Step 1: Write the proportion equation
76,563.84 : 105,686.96 = 44,743.08 : x - Step 2: Convert to fraction form
76,563.84/105,686.96 = 44,743.08/x - Step 3: Cross multiply
76,563.84x = 105,686.96 × 44,743.08 - Step 4: Simplify right side
76,563.84x = 4,728,760,106.24 - Step 5: Solve for x
x = 4,728,760,106.24/76,563.84 - Step 6: Final answer
x = 61,762.32
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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.