Finding the Fourth Proportional to 79,580.48, 119,372.10 and 26,991.32
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Solution
The fourth proportional to 79,580.48, 119,372.10 and 26,991.32 is: 40,487.45
Step by Step Solution
- Step 1: Write the proportion equation
79,580.48 : 119,372.10 = 26,991.32 : x - Step 2: Convert to fraction form
79,580.48/119,372.10 = 26,991.32/x - Step 3: Cross multiply
79,580.48x = 119,372.10 × 26,991.32 - Step 4: Simplify right side
79,580.48x = 3,222,010,415.22 - Step 5: Solve for x
x = 3,222,010,415.22/79,580.48 - Step 6: Final answer
x = 40,487.45
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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.