Finding the Fourth Proportional to 75,007.79, 103,461.97 and 48,107.69
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Solution
The fourth proportional to 75,007.79, 103,461.97 and 48,107.69 is: 66,357.32
Step by Step Solution
- Step 1: Write the proportion equation
75,007.79 : 103,461.97 = 48,107.69 : x - Step 2: Convert to fraction form
75,007.79/103,461.97 = 48,107.69/x - Step 3: Cross multiply
75,007.79x = 103,461.97 × 48,107.69 - Step 4: Simplify right side
75,007.79x = 4,977,315,862.24 - Step 5: Solve for x
x = 4,977,315,862.24/75,007.79 - Step 6: Final answer
x = 66,357.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.