Finding the Fourth Proportional to 75,984.70, 113,907.36 and 29,202.34
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Solution
The fourth proportional to 75,984.70, 113,907.36 and 29,202.34 is: 43,776.73
Step by Step Solution
- Step 1: Write the proportion equation
75,984.70 : 113,907.36 = 29,202.34 : x - Step 2: Convert to fraction form
75,984.70/113,907.36 = 29,202.34/x - Step 3: Cross multiply
75,984.70x = 113,907.36 × 29,202.34 - Step 4: Simplify right side
75,984.70x = 3,326,361,455.22 - Step 5: Solve for x
x = 3,326,361,455.22/75,984.70 - Step 6: Final answer
x = 43,776.73
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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.