Finding the Fourth Proportional to 69,759.97, 104,637.61 and 30,317.09
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Solution
The fourth proportional to 69,759.97, 104,637.61 and 30,317.09 is: 45,474.61
Step by Step Solution
- Step 1: Write the proportion equation
69,759.97 : 104,637.61 = 30,317.09 : x - Step 2: Convert to fraction form
69,759.97/104,637.61 = 30,317.09/x - Step 3: Cross multiply
69,759.97x = 104,637.61 × 30,317.09 - Step 4: Simplify right side
69,759.97x = 3,172,307,183.93 - Step 5: Solve for x
x = 3,172,307,183.93/69,759.97 - Step 6: Final answer
x = 45,474.61
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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.