Finding the Fourth Proportional to 76,708.97, 105,833.00 and 44,855.31
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Solution
The fourth proportional to 76,708.97, 105,833.00 and 44,855.31 is: 61,885.49
Step by Step Solution
- Step 1: Write the proportion equation
76,708.97 : 105,833.00 = 44,855.31 : x - Step 2: Convert to fraction form
76,708.97/105,833.00 = 44,855.31/x - Step 3: Cross multiply
76,708.97x = 105,833.00 × 44,855.31 - Step 4: Simplify right side
76,708.97x = 4,747,171,798.95 - Step 5: Solve for x
x = 4,747,171,798.95/76,708.97 - Step 6: Final answer
x = 61,885.49
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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.