Finding the Fourth Proportional to 75,676.55, 113,529.74 and 22,369.46
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Solution
The fourth proportional to 75,676.55, 113,529.74 and 22,369.46 is: 33,558.59
Step by Step Solution
- Step 1: Write the proportion equation
75,676.55 : 113,529.74 = 22,369.46 : x - Step 2: Convert to fraction form
75,676.55/113,529.74 = 22,369.46/x - Step 3: Cross multiply
75,676.55x = 113,529.74 × 22,369.46 - Step 4: Simplify right side
75,676.55x = 2,539,598,298.24 - Step 5: Solve for x
x = 2,539,598,298.24/75,676.55 - Step 6: Final answer
x = 33,558.59
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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.