Finding the Fourth Proportional to 75,007.29, 103,461.28 and 48,107.19
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Solution
The fourth proportional to 75,007.29, 103,461.28 and 48,107.19 is: 66,356.63
Step by Step Solution
- Step 1: Write the proportion equation
75,007.29 : 103,461.28 = 48,107.19 : x - Step 2: Convert to fraction form
75,007.29/103,461.28 = 48,107.19/x - Step 3: Cross multiply
75,007.29x = 103,461.28 × 48,107.19 - Step 4: Simplify right side
75,007.29x = 4,977,230,937.30 - Step 5: Solve for x
x = 4,977,230,937.30/75,007.29 - Step 6: Final answer
x = 66,356.63
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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.