Finding the Fourth Proportional to 75,962.44, 113,921.70 and 29,204.20
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Solution
The fourth proportional to 75,962.44, 113,921.70 and 29,204.20 is: 43,797.86
Step by Step Solution
- Step 1: Write the proportion equation
75,962.44 : 113,921.70 = 29,204.20 : x - Step 2: Convert to fraction form
75,962.44/113,921.70 = 29,204.20/x - Step 3: Cross multiply
75,962.44x = 113,921.70 × 29,204.20 - Step 4: Simplify right side
75,962.44x = 3,326,992,111.14 - Step 5: Solve for x
x = 3,326,992,111.14/75,962.44 - Step 6: Final answer
x = 43,797.86
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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.