Finding the Fourth Proportional to 69,407.28, 104,130.60 and 27,883.44
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Solution
The fourth proportional to 69,407.28, 104,130.60 and 27,883.44 is: 41,833.07
Step by Step Solution
- Step 1: Write the proportion equation
69,407.28 : 104,130.60 = 27,883.44 : x - Step 2: Convert to fraction form
69,407.28/104,130.60 = 27,883.44/x - Step 3: Cross multiply
69,407.28x = 104,130.60 × 27,883.44 - Step 4: Simplify right side
69,407.28x = 2,903,519,337.26 - Step 5: Solve for x
x = 2,903,519,337.26/69,407.28 - Step 6: Final answer
x = 41,833.07
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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.