Finding the Fourth Proportional to 75,662.64, 113,476.68 and 22,343.20
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Solution
The fourth proportional to 75,662.64, 113,476.68 and 22,343.20 is: 33,509.70
Step by Step Solution
- Step 1: Write the proportion equation
75,662.64 : 113,476.68 = 22,343.20 : x - Step 2: Convert to fraction form
75,662.64/113,476.68 = 22,343.20/x - Step 3: Cross multiply
75,662.64x = 113,476.68 × 22,343.20 - Step 4: Simplify right side
75,662.64x = 2,535,432,156.58 - Step 5: Solve for x
x = 2,535,432,156.58/75,662.64 - Step 6: Final answer
x = 33,509.70
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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.