Finding the Fourth Proportional to 102,664.44, 141,675.42 and 57,343.08
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Solution
The fourth proportional to 102,664.44, 141,675.42 and 57,343.08 is: 79,132.61
Step by Step Solution
- Step 1: Write the proportion equation
102,664.44 : 141,675.42 = 57,343.08 : x - Step 2: Convert to fraction form
102,664.44/141,675.42 = 57,343.08/x - Step 3: Cross multiply
102,664.44x = 141,675.42 × 57,343.08 - Step 4: Simplify right side
102,664.44x = 8,124,104,943.09 - Step 5: Solve for x
x = 8,124,104,943.09/102,664.44 - Step 6: Final answer
x = 79,132.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.