Finding the Fourth Proportional to 76,507.68, 114,717.38 and 29,705.88
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Solution
The fourth proportional to 76,507.68, 114,717.38 and 29,705.88 is: 44,541.68
Step by Step Solution
- Step 1: Write the proportion equation
76,507.68 : 114,717.38 = 29,705.88 : x - Step 2: Convert to fraction form
76,507.68/114,717.38 = 29,705.88/x - Step 3: Cross multiply
76,507.68x = 114,717.38 × 29,705.88 - Step 4: Simplify right side
76,507.68x = 3,407,780,724.19 - Step 5: Solve for x
x = 3,407,780,724.19/76,507.68 - Step 6: Final answer
x = 44,541.68
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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.