Finding the Fourth Proportional to 71,541.84, 107,239.80 and 32,088.36
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Solution
The fourth proportional to 71,541.84, 107,239.80 and 32,088.36 is: 48,099.82
Step by Step Solution
- Step 1: Write the proportion equation
71,541.84 : 107,239.80 = 32,088.36 : x - Step 2: Convert to fraction form
71,541.84/107,239.80 = 32,088.36/x - Step 3: Cross multiply
71,541.84x = 107,239.80 × 32,088.36 - Step 4: Simplify right side
71,541.84x = 3,441,149,308.73 - Step 5: Solve for x
x = 3,441,149,308.73/71,541.84 - Step 6: Final answer
x = 48,099.82
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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.