Finding the Fourth Proportional to 77,313.21, 115,976.90 and 24,005.49
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Solution
The fourth proportional to 77,313.21, 115,976.90 and 24,005.49 is: 36,010.43
Step by Step Solution
- Step 1: Write the proportion equation
77,313.21 : 115,976.90 = 24,005.49 : x - Step 2: Convert to fraction form
77,313.21/115,976.90 = 24,005.49/x - Step 3: Cross multiply
77,313.21x = 115,976.90 × 24,005.49 - Step 4: Simplify right side
77,313.21x = 2,784,082,313.18 - Step 5: Solve for x
x = 2,784,082,313.18/77,313.21 - Step 6: Final answer
x = 36,010.43
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1.5x scale
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.