Finding the Fourth Proportional to 76,898.31, 106,122.20 and 44,630.49
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Solution
The fourth proportional to 76,898.31, 106,122.20 and 44,630.49 is: 61,591.54
Step by Step Solution
- Step 1: Write the proportion equation
76,898.31 : 106,122.20 = 44,630.49 : x - Step 2: Convert to fraction form
76,898.31/106,122.20 = 44,630.49/x - Step 3: Cross multiply
76,898.31x = 106,122.20 × 44,630.49 - Step 4: Simplify right side
76,898.31x = 4,736,285,562.73 - Step 5: Solve for x
x = 4,736,285,562.73/76,898.31 - Step 6: Final answer
x = 61,591.54
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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.