Finding the Fourth Proportional to 109,759.68, 164,635.74 and 46,539.09
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Solution
The fourth proportional to 109,759.68, 164,635.74 and 46,539.09 is: 69,807.03
Step by Step Solution
- Step 1: Write the proportion equation
109,759.68 : 164,635.74 = 46,539.09 : x - Step 2: Convert to fraction form
109,759.68/164,635.74 = 46,539.09/x - Step 3: Cross multiply
109,759.68x = 164,635.74 × 46,539.09 - Step 4: Simplify right side
109,759.68x = 7,661,997,521.08 - Step 5: Solve for x
x = 7,661,997,521.08/109,759.68 - Step 6: Final answer
x = 69,807.03
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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.