Finding the Fourth Proportional to 94,694.41, 142,036.71 and 28,135.09
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Solution
The fourth proportional to 94,694.41, 142,036.71 and 28,135.09 is: 42,201.18
Step by Step Solution
- Step 1: Write the proportion equation
94,694.41 : 142,036.71 = 28,135.09 : x - Step 2: Convert to fraction form
94,694.41/142,036.71 = 28,135.09/x - Step 3: Cross multiply
94,694.41x = 142,036.71 × 28,135.09 - Step 4: Simplify right side
94,694.41x = 3,996,215,619.15 - Step 5: Solve for x
x = 3,996,215,619.15/94,694.41 - Step 6: Final answer
x = 42,201.18
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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.