Finding the Fourth Proportional to 67,367.80, 101,051.70 and 27,911.80
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Solution
The fourth proportional to 67,367.80, 101,051.70 and 27,911.80 is: 41,867.70
Step by Step Solution
- Step 1: Write the proportion equation
67,367.80 : 101,051.70 = 27,911.80 : x - Step 2: Convert to fraction form
67,367.80/101,051.70 = 27,911.80/x - Step 3: Cross multiply
67,367.80x = 101,051.70 × 27,911.80 - Step 4: Simplify right side
67,367.80x = 2,820,534,840.06 - Step 5: Solve for x
x = 2,820,534,840.06/67,367.80 - Step 6: Final answer
x = 41,867.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.