Finding the Fourth Proportional to 75,007.09, 103,461.02 and 48,106.99
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Solution
The fourth proportional to 75,007.09, 103,461.02 and 48,106.99 is: 66,356.37
Step by Step Solution
- Step 1: Write the proportion equation
75,007.09 : 103,461.02 = 48,106.99 : x - Step 2: Convert to fraction form
75,007.09/103,461.02 = 48,106.99/x - Step 3: Cross multiply
75,007.09x = 103,461.02 × 48,106.99 - Step 4: Simplify right side
75,007.09x = 4,977,198,143.32 - Step 5: Solve for x
x = 4,977,198,143.32/75,007.09 - Step 6: Final answer
x = 66,356.37
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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.