Finding the Fourth Proportional to 76,699.97, 105,820.58 and 44,846.31
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Solution
The fourth proportional to 76,699.97, 105,820.58 and 44,846.31 is: 61,873.07
Step by Step Solution
- Step 1: Write the proportion equation
76,699.97 : 105,820.58 = 44,846.31 : x - Step 2: Convert to fraction form
76,699.97/105,820.58 = 44,846.31/x - Step 3: Cross multiply
76,699.97x = 105,820.58 × 44,846.31 - Step 4: Simplify right side
76,699.97x = 4,745,662,647.18 - Step 5: Solve for x
x = 4,745,662,647.18/76,699.97 - Step 6: Final answer
x = 61,873.07
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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.