Finding the Fourth Proportional to 76,472.96, 105,533.37 and 44,635.68
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Solution
The fourth proportional to 76,472.96, 105,533.37 and 44,635.68 is: 61,597.64
Step by Step Solution
- Step 1: Write the proportion equation
76,472.96 : 105,533.37 = 44,635.68 : x - Step 2: Convert to fraction form
76,472.96/105,533.37 = 44,635.68/x - Step 3: Cross multiply
76,472.96x = 105,533.37 × 44,635.68 - Step 4: Simplify right side
76,472.96x = 4,710,553,732.64 - Step 5: Solve for x
x = 4,710,553,732.64/76,472.96 - Step 6: Final answer
x = 61,597.64
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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.