Finding the Fourth Proportional to 68,642.94, 102,954.62 and 26,542.81
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Solution
The fourth proportional to 68,642.94, 102,954.62 and 26,542.81 is: 39,810.43
Step by Step Solution
- Step 1: Write the proportion equation
68,642.94 : 102,954.62 = 26,542.81 : x - Step 2: Convert to fraction form
68,642.94/102,954.62 = 26,542.81/x - Step 3: Cross multiply
68,642.94x = 102,954.62 × 26,542.81 - Step 4: Simplify right side
68,642.94x = 2,732,705,327.24 - Step 5: Solve for x
x = 2,732,705,327.24/68,642.94 - Step 6: Final answer
x = 39,810.43
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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.