Finding the Fourth Proportional to 69,642.07, 104,478.82 and 25,268.75
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Solution
The fourth proportional to 69,642.07, 104,478.82 and 25,268.75 is: 37,908.83
Step by Step Solution
- Step 1: Write the proportion equation
69,642.07 : 104,478.82 = 25,268.75 : x - Step 2: Convert to fraction form
69,642.07/104,478.82 = 25,268.75/x - Step 3: Cross multiply
69,642.07x = 104,478.82 × 25,268.75 - Step 4: Simplify right side
69,642.07x = 2,640,049,182.88 - Step 5: Solve for x
x = 2,640,049,182.88/69,642.07 - Step 6: Final answer
x = 37,908.83
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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.