Finding the Fourth Proportional to 75,348.92, 103,990.38 and 41,817.08
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Solution
The fourth proportional to 75,348.92, 103,990.38 and 41,817.08 is: 57,712.49
Step by Step Solution
- Step 1: Write the proportion equation
75,348.92 : 103,990.38 = 41,817.08 : x - Step 2: Convert to fraction form
75,348.92/103,990.38 = 41,817.08/x - Step 3: Cross multiply
75,348.92x = 103,990.38 × 41,817.08 - Step 4: Simplify right side
75,348.92x = 4,348,574,039.69 - Step 5: Solve for x
x = 4,348,574,039.69/75,348.92 - Step 6: Final answer
x = 57,712.49
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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.