Finding the Fourth Proportional to 66,906.99, 100,364.27 and 29,484.63
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Solution
The fourth proportional to 66,906.99, 100,364.27 and 29,484.63 is: 44,228.61
Step by Step Solution
- Step 1: Write the proportion equation
66,906.99 : 100,364.27 = 29,484.63 : x - Step 2: Convert to fraction form
66,906.99/100,364.27 = 29,484.63/x - Step 3: Cross multiply
66,906.99x = 100,364.27 × 29,484.63 - Step 4: Simplify right side
66,906.99x = 2,959,203,218.75 - Step 5: Solve for x
x = 2,959,203,218.75/66,906.99 - Step 6: Final answer
x = 44,228.61
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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.