Finding the Fourth Proportional to 89,343.74, 133,840.38 and 51,824.99
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Solution
The fourth proportional to 89,343.74, 133,840.38 and 51,824.99 is: 77,635.84
Step by Step Solution
- Step 1: Write the proportion equation
89,343.74 : 133,840.38 = 51,824.99 : x - Step 2: Convert to fraction form
89,343.74/133,840.38 = 51,824.99/x - Step 3: Cross multiply
89,343.74x = 133,840.38 × 51,824.99 - Step 4: Simplify right side
89,343.74x = 6,936,276,355.10 - Step 5: Solve for x
x = 6,936,276,355.10/89,343.74 - Step 6: Final answer
x = 77,635.84
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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.