Finding the Fourth Proportional to 76,043.80, 104,966.58 and 44,222.68
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Solution
The fourth proportional to 76,043.80, 104,966.58 and 44,222.68 is: 61,042.50
Step by Step Solution
- Step 1: Write the proportion equation
76,043.80 : 104,966.58 = 44,222.68 : x - Step 2: Convert to fraction form
76,043.80/104,966.58 = 44,222.68/x - Step 3: Cross multiply
76,043.80x = 104,966.58 × 44,222.68 - Step 4: Simplify right side
76,043.80x = 4,641,903,478.03 - Step 5: Solve for x
x = 4,641,903,478.03/76,043.80 - Step 6: Final answer
x = 61,042.50
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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.