Finding the Fourth Proportional to 104,424.24, 144,104.60 and 56,677.62
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Solution
The fourth proportional to 104,424.24, 144,104.60 and 56,677.62 is: 78,214.65
Step by Step Solution
- Step 1: Write the proportion equation
104,424.24 : 144,104.60 = 56,677.62 : x - Step 2: Convert to fraction form
104,424.24/144,104.60 = 56,677.62/x - Step 3: Cross multiply
104,424.24x = 144,104.60 × 56,677.62 - Step 4: Simplify right side
104,424.24x = 8,167,505,759.05 - Step 5: Solve for x
x = 8,167,505,759.05/104,424.24 - Step 6: Final answer
x = 78,214.65
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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.