Finding the Fourth Proportional to 75,325.14, 112,994.33 and 27,940.75
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Solution
The fourth proportional to 75,325.14, 112,994.33 and 27,940.75 is: 41,913.57
Step by Step Solution
- Step 1: Write the proportion equation
75,325.14 : 112,994.33 = 27,940.75 : x - Step 2: Convert to fraction form
75,325.14/112,994.33 = 27,940.75/x - Step 3: Cross multiply
75,325.14x = 112,994.33 × 27,940.75 - Step 4: Simplify right side
75,325.14x = 3,157,145,903.76 - Step 5: Solve for x
x = 3,157,145,903.76/75,325.14 - Step 6: Final answer
x = 41,913.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.