Finding the Fourth Proportional to 89,001.68, 122,822.36 and 48,715.65
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Solution
The fourth proportional to 89,001.68, 122,822.36 and 48,715.65 is: 67,227.61
Step by Step Solution
- Step 1: Write the proportion equation
89,001.68 : 122,822.36 = 48,715.65 : x - Step 2: Convert to fraction form
89,001.68/122,822.36 = 48,715.65/x - Step 3: Cross multiply
89,001.68x = 122,822.36 × 48,715.65 - Step 4: Simplify right side
89,001.68x = 5,983,370,244.24 - Step 5: Solve for x
x = 5,983,370,244.24/89,001.68 - Step 6: Final answer
x = 67,227.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.