Finding the Fourth Proportional to 77,247.64, 115,879.74 and 24,644.80
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Solution
The fourth proportional to 77,247.64, 115,879.74 and 24,644.80 is: 36,969.84
Step by Step Solution
- Step 1: Write the proportion equation
77,247.64 : 115,879.74 = 24,644.80 : x - Step 2: Convert to fraction form
77,247.64/115,879.74 = 24,644.80/x - Step 3: Cross multiply
77,247.64x = 115,879.74 × 24,644.80 - Step 4: Simplify right side
77,247.64x = 2,855,833,016.35 - Step 5: Solve for x
x = 2,855,833,016.35/77,247.64 - Step 6: Final answer
x = 36,969.84
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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.