Finding the Fourth Proportional to 104,591.68, 144,337.44 and 56,845.06
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Solution
The fourth proportional to 104,591.68, 144,337.44 and 56,845.06 is: 78,446.68
Step by Step Solution
- Step 1: Write the proportion equation
104,591.68 : 144,337.44 = 56,845.06 : x - Step 2: Convert to fraction form
104,591.68/144,337.44 = 56,845.06/x - Step 3: Cross multiply
104,591.68x = 144,337.44 × 56,845.06 - Step 4: Simplify right side
104,591.68x = 8,204,870,437.05 - Step 5: Solve for x
x = 8,204,870,437.05/104,591.68 - Step 6: Final answer
x = 78,446.68
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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.