Finding the Fourth Proportional to 106,611.36, 159,948.99 and 31,734.12
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Solution
The fourth proportional to 106,611.36, 159,948.99 and 31,734.12 is: 47,610.69
Step by Step Solution
- Step 1: Write the proportion equation
106,611.36 : 159,948.99 = 31,734.12 : x - Step 2: Convert to fraction form
106,611.36/159,948.99 = 31,734.12/x - Step 3: Cross multiply
106,611.36x = 159,948.99 × 31,734.12 - Step 4: Simplify right side
106,611.36x = 5,075,840,442.54 - Step 5: Solve for x
x = 5,075,840,442.54/106,611.36 - Step 6: Final answer
x = 47,610.69
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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.