Finding the Fourth Proportional to 96,742.56, 145,114.74 and 29,275.08
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Solution
The fourth proportional to 96,742.56, 145,114.74 and 29,275.08 is: 43,912.89
Step by Step Solution
- Step 1: Write the proportion equation
96,742.56 : 145,114.74 = 29,275.08 : x - Step 2: Convert to fraction form
96,742.56/145,114.74 = 29,275.08/x - Step 3: Cross multiply
96,742.56x = 145,114.74 × 29,275.08 - Step 4: Simplify right side
96,742.56x = 4,248,245,622.68 - Step 5: Solve for x
x = 4,248,245,622.68/96,742.56 - Step 6: Final answer
x = 43,912.89
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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.