Finding the Fourth Proportional to 75,673.68, 113,444.82 and 38,202.54
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Solution
The fourth proportional to 75,673.68, 113,444.82 and 38,202.54 is: 57,270.64
Step by Step Solution
- Step 1: Write the proportion equation
75,673.68 : 113,444.82 = 38,202.54 : x - Step 2: Convert to fraction form
75,673.68/113,444.82 = 38,202.54/x - Step 3: Cross multiply
75,673.68x = 113,444.82 × 38,202.54 - Step 4: Simplify right side
75,673.68x = 4,333,880,273.84 - Step 5: Solve for x
x = 4,333,880,273.84/75,673.68 - Step 6: Final answer
x = 57,270.64
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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.