Finding the Fourth Proportional to 96,719.21, 145,032.12 and 40,544.23
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Solution
The fourth proportional to 96,719.21, 145,032.12 and 40,544.23 is: 60,796.77
Step by Step Solution
- Step 1: Write the proportion equation
96,719.21 : 145,032.12 = 40,544.23 : x - Step 2: Convert to fraction form
96,719.21/145,032.12 = 40,544.23/x - Step 3: Cross multiply
96,719.21x = 145,032.12 × 40,544.23 - Step 4: Simplify right side
96,719.21x = 5,880,215,630.67 - Step 5: Solve for x
x = 5,880,215,630.67/96,719.21 - Step 6: Final answer
x = 60,796.77
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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.