Finding the Fourth Proportional to 89,040.33, 122,875.63 and 48,754.08
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Solution
The fourth proportional to 89,040.33, 122,875.63 and 48,754.08 is: 67,280.62
Step by Step Solution
- Step 1: Write the proportion equation
89,040.33 : 122,875.63 = 48,754.08 : x - Step 2: Convert to fraction form
89,040.33/122,875.63 = 48,754.08/x - Step 3: Cross multiply
89,040.33x = 122,875.63 × 48,754.08 - Step 4: Simplify right side
89,040.33x = 5,990,688,173.19 - Step 5: Solve for x
x = 5,990,688,173.19/89,040.33 - Step 6: Final answer
x = 67,280.62
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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.