Finding the Fourth Proportional to 89,272.94, 133,964.08 and 35,955.09
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Solution
The fourth proportional to 89,272.94, 133,964.08 and 35,955.09 is: 53,954.66
Step by Step Solution
- Step 1: Write the proportion equation
89,272.94 : 133,964.08 = 35,955.09 : x - Step 2: Convert to fraction form
89,272.94/133,964.08 = 35,955.09/x - Step 3: Cross multiply
89,272.94x = 133,964.08 × 35,955.09 - Step 4: Simplify right side
89,272.94x = 4,816,690,463.28 - Step 5: Solve for x
x = 4,816,690,463.28/89,272.94 - Step 6: Final answer
x = 53,954.66
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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.