Finding the Fourth Proportional to 69,409.28, 104,133.36 and 27,885.44
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Solution
The fourth proportional to 69,409.28, 104,133.36 and 27,885.44 is: 41,835.97
Step by Step Solution
- Step 1: Write the proportion equation
69,409.28 : 104,133.36 = 27,885.44 : x - Step 2: Convert to fraction form
69,409.28/104,133.36 = 27,885.44/x - Step 3: Cross multiply
69,409.28x = 104,133.36 × 27,885.44 - Step 4: Simplify right side
69,409.28x = 2,903,804,562.28 - Step 5: Solve for x
x = 2,903,804,562.28/69,409.28 - Step 6: Final answer
x = 41,835.97
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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.