Finding the Fourth Proportional to 89,043.81, 133,353.68 and 51,524.81
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Solution
The fourth proportional to 89,043.81, 133,353.68 and 51,524.81 is: 77,164.53
Step by Step Solution
- Step 1: Write the proportion equation
89,043.81 : 133,353.68 = 51,524.81 : x - Step 2: Convert to fraction form
89,043.81/133,353.68 = 51,524.81/x - Step 3: Cross multiply
89,043.81x = 133,353.68 × 51,524.81 - Step 4: Simplify right side
89,043.81x = 6,871,023,035.23 - Step 5: Solve for x
x = 6,871,023,035.23/89,043.81 - Step 6: Final answer
x = 77,164.53
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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.