Finding the Fourth Proportional to 76,837.42, 115,276.65 and 24,247.90
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Solution
The fourth proportional to 76,837.42, 115,276.65 and 24,247.90 is: 36,378.32
Step by Step Solution
- Step 1: Write the proportion equation
76,837.42 : 115,276.65 = 24,247.90 : x - Step 2: Convert to fraction form
76,837.42/115,276.65 = 24,247.90/x - Step 3: Cross multiply
76,837.42x = 115,276.65 × 24,247.90 - Step 4: Simplify right side
76,837.42x = 2,795,216,393.34 - Step 5: Solve for x
x = 2,795,216,393.34/76,837.42 - Step 6: Final answer
x = 36,378.32
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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.