Finding the Fourth Proportional to 75,769.01, 113,490.70 and 61,473.32
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Solution
The fourth proportional to 75,769.01, 113,490.70 and 61,473.32 is: 92,077.88
Step by Step Solution
- Step 1: Write the proportion equation
75,769.01 : 113,490.70 = 61,473.32 : x - Step 2: Convert to fraction form
75,769.01/113,490.70 = 61,473.32/x - Step 3: Cross multiply
75,769.01x = 113,490.70 × 61,473.32 - Step 4: Simplify right side
75,769.01x = 6,976,649,243.30 - Step 5: Solve for x
x = 6,976,649,243.30/75,769.01 - Step 6: Final answer
x = 92,077.88
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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.