Finding the Fourth Proportional to 75,107.22, 103,673.84 and 43,288.80
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Solution
The fourth proportional to 75,107.22, 103,673.84 and 43,288.80 is: 59,753.46
Step by Step Solution
- Step 1: Write the proportion equation
75,107.22 : 103,673.84 = 43,288.80 : x - Step 2: Convert to fraction form
75,107.22/103,673.84 = 43,288.80/x - Step 3: Cross multiply
75,107.22x = 103,673.84 × 43,288.80 - Step 4: Simplify right side
75,107.22x = 4,487,916,124.99 - Step 5: Solve for x
x = 4,487,916,124.99/75,107.22 - Step 6: Final answer
x = 59,753.46
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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.