Finding the Fourth Proportional to 96,457.24, 144,720.65 and 51,431.23
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Solution
The fourth proportional to 96,457.24, 144,720.65 and 51,431.23 is: 77,165.41
Step by Step Solution
- Step 1: Write the proportion equation
96,457.24 : 144,720.65 = 51,431.23 : x - Step 2: Convert to fraction form
96,457.24/144,720.65 = 51,431.23/x - Step 3: Cross multiply
96,457.24x = 144,720.65 × 51,431.23 - Step 4: Simplify right side
96,457.24x = 7,443,161,872.24 - Step 5: Solve for x
x = 7,443,161,872.24/96,457.24 - Step 6: Final answer
x = 77,165.41
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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.