Finding the Fourth Proportional to 104,270.60, 143,893.62 and 56,523.80
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Solution
The fourth proportional to 104,270.60, 143,893.62 and 56,523.80 is: 78,002.95
Step by Step Solution
- Step 1: Write the proportion equation
104,270.60 : 143,893.62 = 56,523.80 : x - Step 2: Convert to fraction form
104,270.60/143,893.62 = 56,523.80/x - Step 3: Cross multiply
104,270.60x = 143,893.62 × 56,523.80 - Step 4: Simplify right side
104,270.60x = 8,133,414,198.16 - Step 5: Solve for x
x = 8,133,414,198.16/104,270.60 - Step 6: Final answer
x = 78,002.95
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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.