Finding the Fourth Proportional to 89,006.66, 122,829.09 and 48,720.06
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Solution
The fourth proportional to 89,006.66, 122,829.09 and 48,720.06 is: 67,233.62
Step by Step Solution
- Step 1: Write the proportion equation
89,006.66 : 122,829.09 = 48,720.06 : x - Step 2: Convert to fraction form
89,006.66/122,829.09 = 48,720.06/x - Step 3: Cross multiply
89,006.66x = 122,829.09 × 48,720.06 - Step 4: Simplify right side
89,006.66x = 5,984,240,020.40 - Step 5: Solve for x
x = 5,984,240,020.40/89,006.66 - Step 6: Final answer
x = 67,233.62
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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.