Finding the Fourth Proportional to 84,415.14, 126,376.67 and 73,135.70
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Solution
The fourth proportional to 84,415.14, 126,376.67 and 73,135.70 is: 109,490.37
Step by Step Solution
- Step 1: Write the proportion equation
84,415.14 : 126,376.67 = 73,135.70 : x - Step 2: Convert to fraction form
84,415.14/126,376.67 = 73,135.70/x - Step 3: Cross multiply
84,415.14x = 126,376.67 × 73,135.70 - Step 4: Simplify right side
84,415.14x = 9,242,645,226.56 - Step 5: Solve for x
x = 9,242,645,226.56/84,415.14 - Step 6: Final answer
x = 109,490.37
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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.