Finding the Fourth Proportional to 69,804.51, 104,644.80 and 25,422.99
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Solution
The fourth proportional to 69,804.51, 104,644.80 and 25,422.99 is: 38,111.92
Step by Step Solution
- Step 1: Write the proportion equation
69,804.51 : 104,644.80 = 25,422.99 : x - Step 2: Convert to fraction form
69,804.51/104,644.80 = 25,422.99/x - Step 3: Cross multiply
69,804.51x = 104,644.80 × 25,422.99 - Step 4: Simplify right side
69,804.51x = 2,660,383,703.95 - Step 5: Solve for x
x = 2,660,383,703.95/69,804.51 - Step 6: Final answer
x = 38,111.92
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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.