Finding the Fourth Proportional to 75,907.48, 113,866.08 and 31,537.84
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Solution
The fourth proportional to 75,907.48, 113,866.08 and 31,537.84 is: 47,308.78
Step by Step Solution
- Step 1: Write the proportion equation
75,907.48 : 113,866.08 = 31,537.84 : x - Step 2: Convert to fraction form
75,907.48/113,866.08 = 31,537.84/x - Step 3: Cross multiply
75,907.48x = 113,866.08 × 31,537.84 - Step 4: Simplify right side
75,907.48x = 3,591,090,212.47 - Step 5: Solve for x
x = 3,591,090,212.47/75,907.48 - Step 6: Final answer
x = 47,308.78
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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.